442950820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5147}}^1$

素因数の和:5500

約数の個数: 48

約数和(自身を含む): 1004971968

約数和(自身を除く): 562021148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 5147, 6620, 8606, 10294, 17212, 20588, 21515, 25735, 43030, 51470, 66911, 86060, 102940, 133822, 267644, 334555, 669110, 1338220, 1703657, 3407314, 6814628, 8518285, 17036570, 22147541, 34073140, 44295082, 88590164, 110737705, 221475410, 442950820]

約数ペア:

[(1, 442950820), (2, 221475410), (4, 110737705), (5, 88590164), (10, 44295082), (13, 34073140), (20, 22147541), (26, 17036570), (52, 8518285), (65, 6814628), (130, 3407314), (260, 1703657), (331, 1338220), (662, 669110), (1324, 334555), (1655, 267644), (3310, 133822), (4303, 102940), (5147, 86060), (6620, 66911), (8606, 51470), (10294, 43030), (17212, 25735), (20588, 21515)]