73936780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 160221600

約数和(自身を除く): 86284820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 577, 596, 745, 860, 1154, 1490, 2308, 2885, 2980, 5770, 6407, 11540, 12814, 24811, 25628, 32035, 49622, 64070, 85973, 99244, 124055, 128140, 171946, 248110, 343892, 429865, 496220, 859730, 1719460, 3696839, 7393678, 14787356, 18484195, 36968390, 73936780]

約数ペア:

[(1, 73936780), (2, 36968390), (4, 18484195), (5, 14787356), (10, 7393678), (20, 3696839), (43, 1719460), (86, 859730), (149, 496220), (172, 429865), (215, 343892), (298, 248110), (430, 171946), (577, 128140), (596, 124055), (745, 99244), (860, 85973), (1154, 64070), (1490, 49622), (2308, 32035), (2885, 25628), (2980, 24811), (5770, 12814), (6407, 11540)]