155123900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 351540000

約数和(自身を除く): 196416100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 149, 290, 298, 359, 580, 596, 718, 725, 745, 1436, 1450, 1490, 1795, 2900, 2980, 3590, 3725, 4321, 7180, 7450, 8642, 8975, 10411, 14900, 17284, 17950, 20822, 21605, 35900, 41644, 43210, 52055, 53491, 86420, 104110, 106982, 108025, 208220, 213964, 216050, 260275, 267455, 432100, 520550, 534910, 1041100, 1069820, 1337275, 1551239, 2674550, 3102478, 5349100, 6204956, 7756195, 15512390, 31024780, 38780975, 77561950, 155123900]

約数ペア:

[(1, 155123900), (2, 77561950), (4, 38780975), (5, 31024780), (10, 15512390), (20, 7756195), (25, 6204956), (29, 5349100), (50, 3102478), (58, 2674550), (100, 1551239), (116, 1337275), (145, 1069820), (149, 1041100), (290, 534910), (298, 520550), (359, 432100), (580, 267455), (596, 260275), (718, 216050), (725, 213964), (745, 208220), (1436, 108025), (1450, 106982), (1490, 104110), (1795, 86420), (2900, 53491), (2980, 52055), (3590, 43210), (3725, 41644), (4321, 35900), (7180, 21605), (7450, 20822), (8642, 17950), (8975, 17284), (10411, 14900)]