1990262010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{76343}}^1$

素因数の和:76443

約数の個数: 64

約数和(自身を含む): 5276897280

約数和(自身を除く): 3286635270

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 79, 110, 158, 165, 237, 330, 395, 474, 790, 869, 1185, 1738, 2370, 2607, 4345, 5214, 8690, 13035, 26070, 76343, 152686, 229029, 381715, 458058, 763430, 839773, 1145145, 1679546, 2290290, 2519319, 4198865, 5038638, 6031097, 8397730, 12062194, 12596595, 18093291, 25193190, 30155485, 36186582, 60310970, 66342067, 90466455, 132684134, 180932910, 199026201, 331710335, 398052402, 663420670, 995131005, 1990262010]

約数ペア:

[(1, 1990262010), (2, 995131005), (3, 663420670), (5, 398052402), (6, 331710335), (10, 199026201), (11, 180932910), (15, 132684134), (22, 90466455), (30, 66342067), (33, 60310970), (55, 36186582), (66, 30155485), (79, 25193190), (110, 18093291), (158, 12596595), (165, 12062194), (237, 8397730), (330, 6031097), (395, 5038638), (474, 4198865), (790, 2519319), (869, 2290290), (1185, 1679546), (1738, 1145145), (2370, 839773), (2607, 763430), (4345, 458058), (5214, 381715), (8690, 229029), (13035, 152686), (26070, 76343)]