31860380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 71759520

約数和(自身を除く): 39899140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1129, 1411, 1660, 2258, 2822, 4516, 5644, 5645, 7055, 11290, 14110, 19193, 22580, 28220, 38386, 76772, 93707, 95965, 187414, 191930, 374828, 383860, 468535, 937070, 1593019, 1874140, 3186038, 6372076, 7965095, 15930190, 31860380]

約数ペア:

[(1, 31860380), (2, 15930190), (4, 7965095), (5, 6372076), (10, 3186038), (17, 1874140), (20, 1593019), (34, 937070), (68, 468535), (83, 383860), (85, 374828), (166, 191930), (170, 187414), (332, 95965), (340, 93707), (415, 76772), (830, 38386), (1129, 28220), (1411, 22580), (1660, 19193), (2258, 14110), (2822, 11290), (4516, 7055), (5644, 5645)]