45131900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 108274320

約数和(自身を除く): 63142420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 461, 550, 890, 922, 979, 1100, 1780, 1844, 1958, 2225, 2305, 3916, 4450, 4610, 4895, 5071, 8900, 9220, 9790, 10142, 11525, 19580, 20284, 23050, 24475, 25355, 41029, 46100, 48950, 50710, 82058, 97900, 101420, 126775, 164116, 205145, 253550, 410290, 451319, 507100, 820580, 902638, 1025725, 1805276, 2051450, 2256595, 4102900, 4513190, 9026380, 11282975, 22565950, 45131900]

約数ペア:

[(1, 45131900), (2, 22565950), (4, 11282975), (5, 9026380), (10, 4513190), (11, 4102900), (20, 2256595), (22, 2051450), (25, 1805276), (44, 1025725), (50, 902638), (55, 820580), (89, 507100), (100, 451319), (110, 410290), (178, 253550), (220, 205145), (275, 164116), (356, 126775), (445, 101420), (461, 97900), (550, 82058), (890, 50710), (922, 48950), (979, 46100), (1100, 41029), (1780, 25355), (1844, 24475), (1958, 23050), (2225, 20284), (2305, 19580), (3916, 11525), (4450, 10142), (4610, 9790), (4895, 9220), (5071, 8900)]