11778900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 39997440

約数和(自身を除く): 28218540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 79, 84, 100, 105, 140, 142, 150, 158, 175, 210, 213, 237, 284, 300, 316, 350, 355, 395, 420, 426, 474, 497, 525, 553, 700, 710, 790, 852, 948, 994, 1050, 1065, 1106, 1185, 1420, 1491, 1580, 1659, 1775, 1975, 1988, 2100, 2130, 2212, 2370, 2485, 2765, 2982, 3318, 3550, 3950, 4260, 4740, 4970, 5325, 5530, 5609, 5925, 5964, 6636, 7100, 7455, 7900, 8295, 9940, 10650, 11060, 11218, 11850, 12425, 13825, 14910, 16590, 16827, 21300, 22436, 23700, 24850, 27650, 28045, 29820, 33180, 33654, 37275, 39263, 41475, 49700, 55300, 56090, 67308, 74550, 78526, 82950, 84135, 112180, 117789, 140225, 149100, 157052, 165900, 168270, 196315, 235578, 280450, 336540, 392630, 420675, 471156, 560900, 588945, 785260, 841350, 981575, 1177890, 1682700, 1963150, 2355780, 2944725, 3926300, 5889450, 11778900]

約数ペア:

[(1, 11778900), (2, 5889450), (3, 3926300), (4, 2944725), (5, 2355780), (6, 1963150), (7, 1682700), (10, 1177890), (12, 981575), (14, 841350), (15, 785260), (20, 588945), (21, 560900), (25, 471156), (28, 420675), (30, 392630), (35, 336540), (42, 280450), (50, 235578), (60, 196315), (70, 168270), (71, 165900), (75, 157052), (79, 149100), (84, 140225), (100, 117789), (105, 112180), (140, 84135), (142, 82950), (150, 78526), (158, 74550), (175, 67308), (210, 56090), (213, 55300), (237, 49700), (284, 41475), (300, 39263), (316, 37275), (350, 33654), (355, 33180), (395, 29820), (420, 28045), (426, 27650), (474, 24850), (497, 23700), (525, 22436), (553, 21300), (700, 16827), (710, 16590), (790, 14910), (852, 13825), (948, 12425), (994, 11850), (1050, 11218), (1065, 11060), (1106, 10650), (1185, 9940), (1420, 8295), (1491, 7900), (1580, 7455), (1659, 7100), (1775, 6636), (1975, 5964), (1988, 5925), (2100, 5609), (2130, 5530), (2212, 5325), (2370, 4970), (2485, 4740), (2765, 4260), (2982, 3950), (3318, 3550)]