328175980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{78511}}^1$

素因数の和:78550

約数の個数: 48

約数和(自身を含む): 791400960

約数和(自身を除く): 463224980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 78511, 157022, 314044, 392555, 785110, 863621, 1491709, 1570220, 1727242, 2983418, 3454484, 4318105, 5966836, 7458545, 8636210, 14917090, 16408799, 17272420, 29834180, 32817598, 65635196, 82043995, 164087990, 328175980]

約数ペア:

[(1, 328175980), (2, 164087990), (4, 82043995), (5, 65635196), (10, 32817598), (11, 29834180), (19, 17272420), (20, 16408799), (22, 14917090), (38, 8636210), (44, 7458545), (55, 5966836), (76, 4318105), (95, 3454484), (110, 2983418), (190, 1727242), (209, 1570220), (220, 1491709), (380, 863621), (418, 785110), (836, 392555), (1045, 314044), (2090, 157022), (4180, 78511)]