520067900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6755

約数の個数: 72

約数和(自身を含む): 1248670080

約数和(自身を除く): 728602180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 550, 710, 781, 1100, 1420, 1562, 1775, 3124, 3550, 3905, 6659, 7100, 7810, 13318, 15620, 19525, 26636, 33295, 39050, 66590, 73249, 78100, 133180, 146498, 166475, 292996, 332950, 366245, 472789, 665900, 732490, 945578, 1464980, 1831225, 1891156, 2363945, 3662450, 4727890, 5200679, 7324900, 9455780, 10401358, 11819725, 20802716, 23639450, 26003395, 47278900, 52006790, 104013580, 130016975, 260033950, 520067900]

約数ペア:

[(1, 520067900), (2, 260033950), (4, 130016975), (5, 104013580), (10, 52006790), (11, 47278900), (20, 26003395), (22, 23639450), (25, 20802716), (44, 11819725), (50, 10401358), (55, 9455780), (71, 7324900), (100, 5200679), (110, 4727890), (142, 3662450), (220, 2363945), (275, 1891156), (284, 1831225), (355, 1464980), (550, 945578), (710, 732490), (781, 665900), (1100, 472789), (1420, 366245), (1562, 332950), (1775, 292996), (3124, 166475), (3550, 146498), (3905, 133180), (6659, 78100), (7100, 73249), (7810, 66590), (13318, 39050), (15620, 33295), (19525, 26636)]