12001990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 29494080

約数和(自身を除く): 17492090

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 109, 110, 121, 130, 143, 154, 182, 218, 242, 286, 385, 455, 545, 605, 715, 763, 770, 847, 910, 1001, 1090, 1199, 1210, 1417, 1430, 1526, 1573, 1694, 2002, 2398, 2834, 3146, 3815, 4235, 5005, 5995, 7085, 7630, 7865, 8393, 8470, 9919, 10010, 11011, 11990, 13189, 14170, 15587, 15730, 16786, 19838, 22022, 26378, 31174, 41965, 49595, 55055, 65945, 77935, 83930, 92323, 99190, 109109, 110110, 131890, 155870, 171457, 184646, 218218, 342914, 461615, 545545, 857285, 923230, 1091090, 1200199, 1714570, 2400398, 6000995, 12001990]

約数ペア:

[(1, 12001990), (2, 6000995), (5, 2400398), (7, 1714570), (10, 1200199), (11, 1091090), (13, 923230), (14, 857285), (22, 545545), (26, 461615), (35, 342914), (55, 218218), (65, 184646), (70, 171457), (77, 155870), (91, 131890), (109, 110110), (110, 109109), (121, 99190), (130, 92323), (143, 83930), (154, 77935), (182, 65945), (218, 55055), (242, 49595), (286, 41965), (385, 31174), (455, 26378), (545, 22022), (605, 19838), (715, 16786), (763, 15730), (770, 15587), (847, 14170), (910, 13189), (1001, 11990), (1090, 11011), (1199, 10010), (1210, 9919), (1417, 8470), (1430, 8393), (1526, 7865), (1573, 7630), (1694, 7085), (2002, 5995), (2398, 5005), (2834, 4235), (3146, 3815)]