72512020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3299}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 175190400

約数和(自身を除く): 102678380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3299, 4396, 5495, 6598, 10990, 13196, 16495, 21980, 23093, 32990, 46186, 65980, 92372, 115465, 230930, 461860, 517943, 1035886, 2071772, 2589715, 3625601, 5179430, 7251202, 10358860, 14502404, 18128005, 36256010, 72512020]

約数ペア:

[(1, 72512020), (2, 36256010), (4, 18128005), (5, 14502404), (7, 10358860), (10, 7251202), (14, 5179430), (20, 3625601), (28, 2589715), (35, 2071772), (70, 1035886), (140, 517943), (157, 461860), (314, 230930), (628, 115465), (785, 92372), (1099, 65980), (1570, 46186), (2198, 32990), (3140, 23093), (3299, 21980), (4396, 16495), (5495, 13196), (6598, 10990)]