289976740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{619}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 621835200

約数和(自身を除く): 331858460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 397, 590, 619, 794, 1180, 1238, 1588, 1985, 2476, 3095, 3970, 6190, 7940, 12380, 23423, 36521, 46846, 73042, 93692, 117115, 146084, 182605, 234230, 245743, 365210, 468460, 491486, 730420, 982972, 1228715, 2457430, 4914860, 14498837, 28997674, 57995348, 72494185, 144988370, 289976740]

約数ペア:

[(1, 289976740), (2, 144988370), (4, 72494185), (5, 57995348), (10, 28997674), (20, 14498837), (59, 4914860), (118, 2457430), (236, 1228715), (295, 982972), (397, 730420), (590, 491486), (619, 468460), (794, 365210), (1180, 245743), (1238, 234230), (1588, 182605), (1985, 146084), (2476, 117115), (3095, 93692), (3970, 73042), (6190, 46846), (7940, 36521), (12380, 23423)]