23398100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 56246400

約数和(自身を除く): 32848300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 239, 275, 356, 445, 478, 550, 890, 956, 979, 1100, 1195, 1780, 1958, 2225, 2390, 2629, 3916, 4450, 4780, 4895, 5258, 5975, 8900, 9790, 10516, 11950, 13145, 19580, 21271, 23900, 24475, 26290, 42542, 48950, 52580, 65725, 85084, 97900, 106355, 131450, 212710, 233981, 262900, 425420, 467962, 531775, 935924, 1063550, 1169905, 2127100, 2339810, 4679620, 5849525, 11699050, 23398100]

約数ペア:

[(1, 23398100), (2, 11699050), (4, 5849525), (5, 4679620), (10, 2339810), (11, 2127100), (20, 1169905), (22, 1063550), (25, 935924), (44, 531775), (50, 467962), (55, 425420), (89, 262900), (100, 233981), (110, 212710), (178, 131450), (220, 106355), (239, 97900), (275, 85084), (356, 65725), (445, 52580), (478, 48950), (550, 42542), (890, 26290), (956, 24475), (979, 23900), (1100, 21271), (1195, 19580), (1780, 13145), (1958, 11950), (2225, 10516), (2390, 9790), (2629, 8900), (3916, 5975), (4450, 5258), (4780, 4895)]