209123480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{62989}}^1$

素因数の和:63083

約数の個数: 32

約数和(自身を含む): 476204400

約数和(自身を除く): 267080920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 62989, 125978, 251956, 314945, 503912, 629890, 1259780, 2519560, 5228087, 10456174, 20912348, 26140435, 41824696, 52280870, 104561740, 209123480]

約数ペア:

[(1, 209123480), (2, 104561740), (4, 52280870), (5, 41824696), (8, 26140435), (10, 20912348), (20, 10456174), (40, 5228087), (83, 2519560), (166, 1259780), (332, 629890), (415, 503912), (664, 314945), (830, 251956), (1660, 125978), (3320, 62989)]