388803480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249233}}^1$

素因数の和:249260

約数の個数: 64

約数和(自身を含む): 1256139360

約数和(自身を除く): 867335880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 249233, 498466, 747699, 996932, 1246165, 1495398, 1993864, 2492330, 2990796, 3240029, 3738495, 4984660, 5981592, 6480058, 7476990, 9720087, 9969320, 12960116, 14953980, 16200145, 19440174, 25920232, 29907960, 32400290, 38880348, 48600435, 64800580, 77760696, 97200870, 129601160, 194401740, 388803480]

約数ペア:

[(1, 388803480), (2, 194401740), (3, 129601160), (4, 97200870), (5, 77760696), (6, 64800580), (8, 48600435), (10, 38880348), (12, 32400290), (13, 29907960), (15, 25920232), (20, 19440174), (24, 16200145), (26, 14953980), (30, 12960116), (39, 9969320), (40, 9720087), (52, 7476990), (60, 6480058), (65, 5981592), (78, 4984660), (104, 3738495), (120, 3240029), (130, 2990796), (156, 2492330), (195, 1993864), (260, 1495398), (312, 1246165), (390, 996932), (520, 747699), (780, 498466), (1560, 249233)]