1431890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 24

約数和(自身を含む): 2681100

約数和(自身を除く): 1249210

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 961, 1490, 1922, 4619, 4805, 9238, 9610, 23095, 46190, 143189, 286378, 715945, 1431890]

約数ペア:

[(1, 1431890), (2, 715945), (5, 286378), (10, 143189), (31, 46190), (62, 23095), (149, 9610), (155, 9238), (298, 4805), (310, 4619), (745, 1922), (961, 1490)]