95213980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 204120000

約数和(自身を除く): 108906020

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 359, 445, 596, 718, 745, 890, 1436, 1490, 1780, 1795, 2980, 3590, 7180, 13261, 26522, 31951, 53044, 53491, 63902, 66305, 106982, 127804, 132610, 159755, 213964, 265220, 267455, 319510, 534910, 639020, 1069820, 4760699, 9521398, 19042796, 23803495, 47606990, 95213980]

約数ペア:

[(1, 95213980), (2, 47606990), (4, 23803495), (5, 19042796), (10, 9521398), (20, 4760699), (89, 1069820), (149, 639020), (178, 534910), (298, 319510), (356, 267455), (359, 265220), (445, 213964), (596, 159755), (718, 132610), (745, 127804), (890, 106982), (1436, 66305), (1490, 63902), (1780, 53491), (1795, 53044), (2980, 31951), (3590, 26522), (7180, 13261)]