251273600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 682992000

約数和(自身を除く): 431718400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 128, 136, 149, 155, 160, 170, 200, 248, 272, 298, 310, 320, 340, 400, 425, 496, 527, 544, 596, 620, 640, 680, 745, 775, 800, 850, 992, 1054, 1088, 1192, 1240, 1360, 1490, 1550, 1600, 1700, 1984, 2108, 2176, 2384, 2480, 2533, 2635, 2720, 2980, 3100, 3200, 3400, 3725, 3968, 4216, 4619, 4768, 4960, 5066, 5270, 5440, 5960, 6200, 6800, 7450, 8432, 9238, 9536, 9920, 10132, 10540, 10880, 11920, 12400, 12665, 13175, 13600, 14900, 16864, 18476, 19072, 19840, 20264, 21080, 23095, 23840, 24800, 25330, 26350, 27200, 29800, 33728, 36952, 40528, 42160, 46190, 47680, 49600, 50660, 52700, 54400, 59600, 63325, 67456, 73904, 78523, 81056, 84320, 92380, 95360, 99200, 101320, 105400, 115475, 119200, 126650, 147808, 157046, 162112, 168640, 184760, 202640, 210800, 230950, 238400, 253300, 295616, 314092, 324224, 337280, 369520, 392615, 405280, 421600, 461900, 476800, 506600, 591232, 628184, 739040, 785230, 810560, 843200, 923800, 1013200, 1256368, 1478080, 1570460, 1621120, 1686400, 1847600, 1963075, 2026400, 2512736, 2956160, 3140920, 3695200, 3926150, 4052800, 5025472, 6281840, 7390400, 7852300, 8105600, 10050944, 12563680, 14780800, 15704600, 25127360, 31409200, 50254720, 62818400, 125636800, 251273600]

約数ペア:

[(1, 251273600), (2, 125636800), (4, 62818400), (5, 50254720), (8, 31409200), (10, 25127360), (16, 15704600), (17, 14780800), (20, 12563680), (25, 10050944), (31, 8105600), (32, 7852300), (34, 7390400), (40, 6281840), (50, 5025472), (62, 4052800), (64, 3926150), (68, 3695200), (80, 3140920), (85, 2956160), (100, 2512736), (124, 2026400), (128, 1963075), (136, 1847600), (149, 1686400), (155, 1621120), (160, 1570460), (170, 1478080), (200, 1256368), (248, 1013200), (272, 923800), (298, 843200), (310, 810560), (320, 785230), (340, 739040), (400, 628184), (425, 591232), (496, 506600), (527, 476800), (544, 461900), (596, 421600), (620, 405280), (640, 392615), (680, 369520), (745, 337280), (775, 324224), (800, 314092), (850, 295616), (992, 253300), (1054, 238400), (1088, 230950), (1192, 210800), (1240, 202640), (1360, 184760), (1490, 168640), (1550, 162112), (1600, 157046), (1700, 147808), (1984, 126650), (2108, 119200), (2176, 115475), (2384, 105400), (2480, 101320), (2533, 99200), (2635, 95360), (2720, 92380), (2980, 84320), (3100, 81056), (3200, 78523), (3400, 73904), (3725, 67456), (3968, 63325), (4216, 59600), (4619, 54400), (4768, 52700), (4960, 50660), (5066, 49600), (5270, 47680), (5440, 46190), (5960, 42160), (6200, 40528), (6800, 36952), (7450, 33728), (8432, 29800), (9238, 27200), (9536, 26350), (9920, 25330), (10132, 24800), (10540, 23840), (10880, 23095), (11920, 21080), (12400, 20264), (12665, 19840), (13175, 19072), (13600, 18476), (14900, 16864)]