31194940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 75382272

約数和(自身を除く): 44187332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1367, 1630, 2282, 2734, 3260, 4564, 5468, 5705, 6835, 9569, 11410, 13670, 19138, 22820, 27340, 38276, 47845, 95690, 191380, 222821, 445642, 891284, 1114105, 1559747, 2228210, 3119494, 4456420, 6238988, 7798735, 15597470, 31194940]

約数ペア:

[(1, 31194940), (2, 15597470), (4, 7798735), (5, 6238988), (7, 4456420), (10, 3119494), (14, 2228210), (20, 1559747), (28, 1114105), (35, 891284), (70, 445642), (140, 222821), (163, 191380), (326, 95690), (652, 47845), (815, 38276), (1141, 27340), (1367, 22820), (1630, 19138), (2282, 13670), (2734, 11410), (3260, 9569), (4564, 6835), (5468, 5705)]