439867870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 897329664

約数和(自身を除く): 457461794

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 131, 230, 262, 299, 598, 655, 1123, 1310, 1495, 1703, 2246, 2990, 3013, 3406, 5615, 6026, 8515, 11230, 14599, 15065, 17030, 25829, 29198, 30130, 39169, 51658, 72995, 78338, 129145, 145990, 147113, 195845, 258290, 294226, 335777, 391690, 671554, 735565, 1471130, 1678885, 1912469, 3357770, 3383599, 3824938, 6767198, 9562345, 16917995, 19124690, 33835990, 43986787, 87973574, 219933935, 439867870]

約数ペア:

[(1, 439867870), (2, 219933935), (5, 87973574), (10, 43986787), (13, 33835990), (23, 19124690), (26, 16917995), (46, 9562345), (65, 6767198), (115, 3824938), (130, 3383599), (131, 3357770), (230, 1912469), (262, 1678885), (299, 1471130), (598, 735565), (655, 671554), (1123, 391690), (1310, 335777), (1495, 294226), (1703, 258290), (2246, 195845), (2990, 147113), (3013, 145990), (3406, 129145), (5615, 78338), (6026, 72995), (8515, 51658), (11230, 39169), (14599, 30130), (15065, 29198), (17030, 25829)]