213999680

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9419}}^1$

素因数の和:9507

約数の個数: 56

約数和(自身を含む): 516818880

約数和(自身を除く): 302819200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9419, 11360, 18838, 22720, 37676, 47095, 75352, 94190, 150704, 188380, 301408, 376760, 602816, 668749, 753520, 1337498, 1507040, 2674996, 3014080, 3343745, 5349992, 6687490, 10699984, 13374980, 21399968, 26749960, 42799936, 53499920, 106999840, 213999680]

約数ペア:

[(1, 213999680), (2, 106999840), (4, 53499920), (5, 42799936), (8, 26749960), (10, 21399968), (16, 13374980), (20, 10699984), (32, 6687490), (40, 5349992), (64, 3343745), (71, 3014080), (80, 2674996), (142, 1507040), (160, 1337498), (284, 753520), (320, 668749), (355, 602816), (568, 376760), (710, 301408), (1136, 188380), (1420, 150704), (2272, 94190), (2840, 75352), (4544, 47095), (5680, 37676), (9419, 22720), (11360, 18838)]