31537340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 70308000

約数和(自身を除く): 38770660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 557, 596, 745, 1114, 1490, 2228, 2785, 2831, 2980, 5570, 5662, 10583, 11140, 11324, 14155, 21166, 28310, 42332, 52915, 56620, 82993, 105830, 165986, 211660, 331972, 414965, 829930, 1576867, 1659860, 3153734, 6307468, 7884335, 15768670, 31537340]

約数ペア:

[(1, 31537340), (2, 15768670), (4, 7884335), (5, 6307468), (10, 3153734), (19, 1659860), (20, 1576867), (38, 829930), (76, 414965), (95, 331972), (149, 211660), (190, 165986), (298, 105830), (380, 82993), (557, 56620), (596, 52915), (745, 42332), (1114, 28310), (1490, 21166), (2228, 14155), (2785, 11324), (2831, 11140), (2980, 10583), (5570, 5662)]