23419820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 27988180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 271, 290, 298, 542, 580, 596, 745, 1084, 1355, 1490, 2710, 2980, 4321, 5420, 7859, 8642, 15718, 17284, 21605, 31436, 39295, 40379, 43210, 78590, 80758, 86420, 157180, 161516, 201895, 403790, 807580, 1170991, 2341982, 4683964, 5854955, 11709910, 23419820]

約数ペア:

[(1, 23419820), (2, 11709910), (4, 5854955), (5, 4683964), (10, 2341982), (20, 1170991), (29, 807580), (58, 403790), (116, 201895), (145, 161516), (149, 157180), (271, 86420), (290, 80758), (298, 78590), (542, 43210), (580, 40379), (596, 39295), (745, 31436), (1084, 21605), (1355, 17284), (1490, 15718), (2710, 8642), (2980, 7859), (4321, 5420)]