291215980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{18133}}^1$

素因数の和:18226

約数の個数: 48

約数和(自身を含む): 676325664

約数和(自身を除く): 385109684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 18133, 36266, 72532, 90665, 181330, 199463, 362660, 398926, 797852, 997315, 1323709, 1994630, 2647418, 3989260, 5294836, 6618545, 13237090, 14560799, 26474180, 29121598, 58243196, 72803995, 145607990, 291215980]

約数ペア:

[(1, 291215980), (2, 145607990), (4, 72803995), (5, 58243196), (10, 29121598), (11, 26474180), (20, 14560799), (22, 13237090), (44, 6618545), (55, 5294836), (73, 3989260), (110, 2647418), (146, 1994630), (220, 1323709), (292, 997315), (365, 797852), (730, 398926), (803, 362660), (1460, 199463), (1606, 181330), (3212, 90665), (4015, 72532), (8030, 36266), (16060, 18133)]