78952420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3181}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 178013808

約数和(自身を除く): 99061388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 3181, 4964, 6205, 6362, 12410, 12724, 15905, 24820, 31810, 54077, 63620, 108154, 216308, 232213, 270385, 464426, 540770, 928852, 1081540, 1161065, 2322130, 3947621, 4644260, 7895242, 15790484, 19738105, 39476210, 78952420]

約数ペア:

[(1, 78952420), (2, 39476210), (4, 19738105), (5, 15790484), (10, 7895242), (17, 4644260), (20, 3947621), (34, 2322130), (68, 1161065), (73, 1081540), (85, 928852), (146, 540770), (170, 464426), (292, 270385), (340, 232213), (365, 216308), (730, 108154), (1241, 63620), (1460, 54077), (2482, 31810), (3181, 24820), (4964, 15905), (6205, 12724), (6362, 12410)]