990534400

素因数分解:

$2^8\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 2600458560

約数和(自身を除く): 1609924160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 47, 50, 64, 74, 80, 89, 94, 100, 128, 148, 160, 178, 185, 188, 200, 235, 256, 296, 320, 356, 370, 376, 400, 445, 470, 592, 640, 712, 740, 752, 800, 890, 925, 940, 1175, 1184, 1280, 1424, 1480, 1504, 1600, 1739, 1780, 1850, 1880, 2225, 2350, 2368, 2848, 2960, 3008, 3200, 3293, 3478, 3560, 3700, 3760, 4183, 4450, 4700, 4736, 5696, 5920, 6016, 6400, 6586, 6956, 7120, 7400, 7520, 8366, 8695, 8900, 9400, 9472, 11392, 11840, 12032, 13172, 13912, 14240, 14800, 15040, 16465, 16732, 17390, 17800, 18800, 20915, 22784, 23680, 26344, 27824, 28480, 29600, 30080, 32930, 33464, 34780, 35600, 37600, 41830, 43475, 47360, 52688, 55648, 56960, 59200, 60160, 65860, 66928, 69560, 71200, 75200, 82325, 83660, 86950, 104575, 105376, 111296, 113920, 118400, 131720, 133856, 139120, 142400, 150400, 154771, 164650, 167320, 173900, 209150, 210752, 222592, 236800, 263440, 267712, 278240, 284800, 300800, 309542, 329300, 334640, 347800, 418300, 421504, 445184, 526880, 535424, 556480, 569600, 619084, 658600, 669280, 695600, 773855, 836600, 843008, 1053760, 1070848, 1112960, 1238168, 1317200, 1338560, 1391200, 1547710, 1673200, 2107520, 2225920, 2476336, 2634400, 2677120, 2782400, 3095420, 3346400, 3869275, 4215040, 4952672, 5268800, 5354240, 5564800, 6190840, 6692800, 7738550, 9905344, 10537600, 11129600, 12381680, 13385600, 15477100, 19810688, 21075200, 24763360, 26771200, 30954200, 39621376, 49526720, 61908400, 99053440, 123816800, 198106880, 247633600, 495267200, 990534400]

約数ペア:

[(1, 990534400), (2, 495267200), (4, 247633600), (5, 198106880), (8, 123816800), (10, 99053440), (16, 61908400), (20, 49526720), (25, 39621376), (32, 30954200), (37, 26771200), (40, 24763360), (47, 21075200), (50, 19810688), (64, 15477100), (74, 13385600), (80, 12381680), (89, 11129600), (94, 10537600), (100, 9905344), (128, 7738550), (148, 6692800), (160, 6190840), (178, 5564800), (185, 5354240), (188, 5268800), (200, 4952672), (235, 4215040), (256, 3869275), (296, 3346400), (320, 3095420), (356, 2782400), (370, 2677120), (376, 2634400), (400, 2476336), (445, 2225920), (470, 2107520), (592, 1673200), (640, 1547710), (712, 1391200), (740, 1338560), (752, 1317200), (800, 1238168), (890, 1112960), (925, 1070848), (940, 1053760), (1175, 843008), (1184, 836600), (1280, 773855), (1424, 695600), (1480, 669280), (1504, 658600), (1600, 619084), (1739, 569600), (1780, 556480), (1850, 535424), (1880, 526880), (2225, 445184), (2350, 421504), (2368, 418300), (2848, 347800), (2960, 334640), (3008, 329300), (3200, 309542), (3293, 300800), (3478, 284800), (3560, 278240), (3700, 267712), (3760, 263440), (4183, 236800), (4450, 222592), (4700, 210752), (4736, 209150), (5696, 173900), (5920, 167320), (6016, 164650), (6400, 154771), (6586, 150400), (6956, 142400), (7120, 139120), (7400, 133856), (7520, 131720), (8366, 118400), (8695, 113920), (8900, 111296), (9400, 105376), (9472, 104575), (11392, 86950), (11840, 83660), (12032, 82325), (13172, 75200), (13912, 71200), (14240, 69560), (14800, 66928), (15040, 65860), (16465, 60160), (16732, 59200), (17390, 56960), (17800, 55648), (18800, 52688), (20915, 47360), (22784, 43475), (23680, 41830), (26344, 37600), (27824, 35600), (28480, 34780), (29600, 33464), (30080, 32930)]