385199960

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{18413}}^1$

素因数の和:18947

約数の個数: 32

約数和(自身を含む): 868404240

約数和(自身を除く): 483204280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 18413, 20920, 36826, 73652, 92065, 147304, 184130, 368260, 736520, 9629999, 19259998, 38519996, 48149995, 77039992, 96299990, 192599980, 385199960]

約数ペア:

[(1, 385199960), (2, 192599980), (4, 96299990), (5, 77039992), (8, 48149995), (10, 38519996), (20, 19259998), (40, 9629999), (523, 736520), (1046, 368260), (2092, 184130), (2615, 147304), (4184, 92065), (5230, 73652), (10460, 36826), (18413, 20920)]