1990237200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7702

約数の個数: 240

約数和(自身を含む): 7522185216

約数和(自身を除く): 5531948016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 240, 248, 280, 300, 310, 336, 350, 372, 400, 420, 434, 465, 496, 525, 560, 600, 620, 651, 700, 744, 775, 840, 868, 930, 1050, 1085, 1200, 1240, 1302, 1400, 1488, 1550, 1680, 1736, 1860, 2100, 2170, 2325, 2480, 2604, 2800, 3100, 3255, 3472, 3720, 4200, 4340, 4650, 5208, 5425, 6200, 6510, 7440, 7643, 8400, 8680, 9300, 10416, 10850, 12400, 13020, 15286, 16275, 17360, 18600, 21700, 22929, 26040, 30572, 32550, 37200, 38215, 43400, 45858, 52080, 53501, 61144, 65100, 76430, 86800, 91716, 107002, 114645, 122288, 130200, 152860, 160503, 183432, 191075, 214004, 229290, 236933, 260400, 267505, 305720, 321006, 366864, 382150, 428008, 458580, 473866, 535010, 573225, 611440, 642012, 710799, 764300, 802515, 856016, 917160, 947732, 1070020, 1146450, 1184665, 1284024, 1337525, 1421598, 1528600, 1605030, 1658531, 1834320, 1895464, 2140040, 2292900, 2369330, 2568048, 2675050, 2843196, 3057200, 3210060, 3317062, 3553995, 3790928, 4012575, 4280080, 4585800, 4738660, 4975593, 5350100, 5686392, 5923325, 6420120, 6634124, 7107990, 8025150, 8292655, 9171600, 9477320, 9951186, 10700200, 11372784, 11846650, 12840240, 13268248, 14215980, 16050300, 16585310, 17769975, 18954640, 19902372, 21400400, 23693300, 24877965, 26536496, 28431960, 32100600, 33170620, 35539950, 39804744, 41463275, 47386600, 49755930, 56863920, 64201200, 66341240, 71079900, 79609488, 82926550, 94773200, 99511860, 124389825, 132682480, 142159800, 165853100, 199023720, 248779650, 284319600, 331706200, 398047440, 497559300, 663412400, 995118600, 1990237200]

約数ペア:

[(1, 1990237200), (2, 995118600), (3, 663412400), (4, 497559300), (5, 398047440), (6, 331706200), (7, 284319600), (8, 248779650), (10, 199023720), (12, 165853100), (14, 142159800), (15, 132682480), (16, 124389825), (20, 99511860), (21, 94773200), (24, 82926550), (25, 79609488), (28, 71079900), (30, 66341240), (31, 64201200), (35, 56863920), (40, 49755930), (42, 47386600), (48, 41463275), (50, 39804744), (56, 35539950), (60, 33170620), (62, 32100600), (70, 28431960), (75, 26536496), (80, 24877965), (84, 23693300), (93, 21400400), (100, 19902372), (105, 18954640), (112, 17769975), (120, 16585310), (124, 16050300), (140, 14215980), (150, 13268248), (155, 12840240), (168, 11846650), (175, 11372784), (186, 10700200), (200, 9951186), (210, 9477320), (217, 9171600), (240, 8292655), (248, 8025150), (280, 7107990), (300, 6634124), (310, 6420120), (336, 5923325), (350, 5686392), (372, 5350100), (400, 4975593), (420, 4738660), (434, 4585800), (465, 4280080), (496, 4012575), (525, 3790928), (560, 3553995), (600, 3317062), (620, 3210060), (651, 3057200), (700, 2843196), (744, 2675050), (775, 2568048), (840, 2369330), (868, 2292900), (930, 2140040), (1050, 1895464), (1085, 1834320), (1200, 1658531), (1240, 1605030), (1302, 1528600), (1400, 1421598), (1488, 1337525), (1550, 1284024), (1680, 1184665), (1736, 1146450), (1860, 1070020), (2100, 947732), (2170, 917160), (2325, 856016), (2480, 802515), (2604, 764300), (2800, 710799), (3100, 642012), (3255, 611440), (3472, 573225), (3720, 535010), (4200, 473866), (4340, 458580), (4650, 428008), (5208, 382150), (5425, 366864), (6200, 321006), (6510, 305720), (7440, 267505), (7643, 260400), (8400, 236933), (8680, 229290), (9300, 214004), (10416, 191075), (10850, 183432), (12400, 160503), (13020, 152860), (15286, 130200), (16275, 122288), (17360, 114645), (18600, 107002), (21700, 91716), (22929, 86800), (26040, 76430), (30572, 65100), (32550, 61144), (37200, 53501), (38215, 52080), (43400, 45858)]