313618520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 718398720

約数和(自身を除く): 404780200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 163, 206, 326, 412, 467, 515, 652, 815, 824, 934, 1030, 1304, 1630, 1868, 2060, 2335, 3260, 3736, 4120, 4670, 6520, 9340, 16789, 18680, 33578, 48101, 67156, 76121, 83945, 96202, 134312, 152242, 167890, 192404, 240505, 304484, 335780, 380605, 384808, 481010, 608968, 671560, 761210, 962020, 1522420, 1924040, 3044840, 7840463, 15680926, 31361852, 39202315, 62723704, 78404630, 156809260, 313618520]

約数ペア:

[(1, 313618520), (2, 156809260), (4, 78404630), (5, 62723704), (8, 39202315), (10, 31361852), (20, 15680926), (40, 7840463), (103, 3044840), (163, 1924040), (206, 1522420), (326, 962020), (412, 761210), (467, 671560), (515, 608968), (652, 481010), (815, 384808), (824, 380605), (934, 335780), (1030, 304484), (1304, 240505), (1630, 192404), (1868, 167890), (2060, 152242), (2335, 134312), (3260, 96202), (3736, 83945), (4120, 76121), (4670, 67156), (6520, 48101), (9340, 33578), (16789, 18680)]