23099950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 45198000

約数和(自身を除く): 22098050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 89, 145, 178, 179, 290, 358, 445, 725, 890, 895, 1450, 1790, 2225, 2581, 4450, 4475, 5162, 5191, 8950, 10382, 12905, 15931, 25810, 25955, 31862, 51910, 64525, 79655, 129050, 129775, 159310, 259550, 398275, 461999, 796550, 923998, 2309995, 4619990, 11549975, 23099950]

約数ペア:

[(1, 23099950), (2, 11549975), (5, 4619990), (10, 2309995), (25, 923998), (29, 796550), (50, 461999), (58, 398275), (89, 259550), (145, 159310), (178, 129775), (179, 129050), (290, 79655), (358, 64525), (445, 51910), (725, 31862), (890, 25955), (895, 25810), (1450, 15931), (1790, 12905), (2225, 10382), (2581, 8950), (4450, 5191), (4475, 5162)]