31313030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 67212288

約数和(自身を除く): 35899258

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 101, 103, 202, 206, 215, 301, 430, 505, 515, 602, 707, 721, 1010, 1030, 1414, 1442, 1505, 3010, 3535, 3605, 4343, 4429, 7070, 7210, 8686, 8858, 10403, 20806, 21715, 22145, 30401, 31003, 43430, 44290, 52015, 60802, 62006, 72821, 104030, 145642, 152005, 155015, 304010, 310030, 364105, 447329, 728210, 894658, 2236645, 3131303, 4473290, 6262606, 15656515, 31313030]

約数ペア:

[(1, 31313030), (2, 15656515), (5, 6262606), (7, 4473290), (10, 3131303), (14, 2236645), (35, 894658), (43, 728210), (70, 447329), (86, 364105), (101, 310030), (103, 304010), (202, 155015), (206, 152005), (215, 145642), (301, 104030), (430, 72821), (505, 62006), (515, 60802), (602, 52015), (707, 44290), (721, 43430), (1010, 31003), (1030, 30401), (1414, 22145), (1442, 21715), (1505, 20806), (3010, 10403), (3535, 8858), (3605, 8686), (4343, 7210), (4429, 7070)]