377907920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{363373}}^1$

素因数の和:363399

約数の個数: 40

約数和(自身を含む): 946225896

約数和(自身を除く): 568317976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 363373, 726746, 1453492, 1816865, 2906984, 3633730, 4723849, 5813968, 7267460, 9447698, 14534920, 18895396, 23619245, 29069840, 37790792, 47238490, 75581584, 94476980, 188953960, 377907920]

約数ペア:

[(1, 377907920), (2, 188953960), (4, 94476980), (5, 75581584), (8, 47238490), (10, 37790792), (13, 29069840), (16, 23619245), (20, 18895396), (26, 14534920), (40, 9447698), (52, 7267460), (65, 5813968), (80, 4723849), (104, 3633730), (130, 2906984), (208, 1816865), (260, 1453492), (520, 726746), (1040, 363373)]