400737870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{26347}}^1$

素因数の和:26386

約数の個数: 72

約数和(自身を含む): 1128274056

約数和(自身を除く): 727536186

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 7605, 15210, 26347, 52694, 79041, 131735, 158082, 237123, 263470, 342511, 395205, 474246, 685022, 790410, 1027533, 1185615, 1712555, 2055066, 2371230, 3082599, 3425110, 4452643, 5137665, 6165198, 8905286, 10275330, 13357929, 15412995, 22263215, 26715858, 30825990, 40073787, 44526430, 66789645, 80147574, 133579290, 200368935, 400737870]

約数ペア:

[(1, 400737870), (2, 200368935), (3, 133579290), (5, 80147574), (6, 66789645), (9, 44526430), (10, 40073787), (13, 30825990), (15, 26715858), (18, 22263215), (26, 15412995), (30, 13357929), (39, 10275330), (45, 8905286), (65, 6165198), (78, 5137665), (90, 4452643), (117, 3425110), (130, 3082599), (169, 2371230), (195, 2055066), (234, 1712555), (338, 1185615), (390, 1027533), (507, 790410), (585, 685022), (845, 474246), (1014, 395205), (1170, 342511), (1521, 263470), (1690, 237123), (2535, 158082), (3042, 131735), (5070, 79041), (7605, 52694), (15210, 26347)]