3788980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 9223200

約数和(自身を除く): 5434220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 59, 65, 76, 95, 118, 130, 169, 190, 236, 247, 260, 295, 338, 380, 494, 590, 676, 767, 845, 988, 1121, 1180, 1235, 1534, 1690, 2242, 2470, 3068, 3211, 3380, 3835, 4484, 4940, 5605, 6422, 7670, 9971, 11210, 12844, 14573, 15340, 16055, 19942, 22420, 29146, 32110, 39884, 49855, 58292, 64220, 72865, 99710, 145730, 189449, 199420, 291460, 378898, 757796, 947245, 1894490, 3788980]

約数ペア:

[(1, 3788980), (2, 1894490), (4, 947245), (5, 757796), (10, 378898), (13, 291460), (19, 199420), (20, 189449), (26, 145730), (38, 99710), (52, 72865), (59, 64220), (65, 58292), (76, 49855), (95, 39884), (118, 32110), (130, 29146), (169, 22420), (190, 19942), (236, 16055), (247, 15340), (260, 14573), (295, 12844), (338, 11210), (380, 9971), (494, 7670), (590, 6422), (676, 5605), (767, 4940), (845, 4484), (988, 3835), (1121, 3380), (1180, 3211), (1235, 3068), (1534, 2470), (1690, 2242)]