278316210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2863

約数の個数: 64

約数和(自身を含む): 692398080

約数和(自身を除く): 414081870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 158, 215, 237, 258, 395, 430, 474, 645, 790, 1185, 1290, 2370, 2731, 3397, 5462, 6794, 8193, 10191, 13655, 16386, 16985, 20382, 27310, 33970, 40965, 50955, 81930, 101910, 117433, 215749, 234866, 352299, 431498, 587165, 647247, 704598, 1078745, 1174330, 1294494, 1761495, 2157490, 3236235, 3522990, 6472470, 9277207, 18554414, 27831621, 46386035, 55663242, 92772070, 139158105, 278316210]

約数ペア:

[(1, 278316210), (2, 139158105), (3, 92772070), (5, 55663242), (6, 46386035), (10, 27831621), (15, 18554414), (30, 9277207), (43, 6472470), (79, 3522990), (86, 3236235), (129, 2157490), (158, 1761495), (215, 1294494), (237, 1174330), (258, 1078745), (395, 704598), (430, 647247), (474, 587165), (645, 431498), (790, 352299), (1185, 234866), (1290, 215749), (2370, 117433), (2731, 101910), (3397, 81930), (5462, 50955), (6794, 40965), (8193, 33970), (10191, 27310), (13655, 20382), (16386, 16985)]