31114780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 70670880

約数和(自身を除く): 39556100

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2213, 2812, 3515, 4426, 7030, 8852, 11065, 14060, 22130, 42047, 44260, 81881, 84094, 163762, 168188, 210235, 327524, 409405, 420470, 818810, 840940, 1555739, 1637620, 3111478, 6222956, 7778695, 15557390, 31114780]

約数ペア:

[(1, 31114780), (2, 15557390), (4, 7778695), (5, 6222956), (10, 3111478), (19, 1637620), (20, 1555739), (37, 840940), (38, 818810), (74, 420470), (76, 409405), (95, 327524), (148, 210235), (185, 168188), (190, 163762), (370, 84094), (380, 81881), (703, 44260), (740, 42047), (1406, 22130), (2213, 14060), (2812, 11065), (3515, 8852), (4426, 7030)]