71773900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 172488960

約数和(自身を除く): 100715060

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, 919, 1100, 1420, 1562, 1775, 1838, 3124, 3550, 3676, 3905, 4595, 7100, 7810, 9190, 10109, 15620, 18380, 19525, 20218, 22975, 39050, 40436, 45950, 50545, 65249, 78100, 91900, 101090, 130498, 202180, 252725, 260996, 326245, 505450, 652490, 717739, 1010900, 1304980, 1435478, 1631225, 2870956, 3262450, 3588695, 6524900, 7177390, 14354780, 17943475, 35886950, 71773900]

約数ペア:

[(1, 71773900), (2, 35886950), (4, 17943475), (5, 14354780), (10, 7177390), (11, 6524900), (20, 3588695), (22, 3262450), (25, 2870956), (44, 1631225), (50, 1435478), (55, 1304980), (71, 1010900), (100, 717739), (110, 652490), (142, 505450), (220, 326245), (275, 260996), (284, 252725), (355, 202180), (550, 130498), (710, 101090), (781, 91900), (919, 78100), (1100, 65249), (1420, 50545), (1562, 45950), (1775, 40436), (1838, 39050), (3124, 22975), (3550, 20218), (3676, 19525), (3905, 18380), (4595, 15620), (7100, 10109), (7810, 9190)]