84860420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 182891520

約数和(自身を除く): 98031100

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 223, 265, 359, 446, 530, 718, 892, 1060, 1115, 1436, 1795, 2230, 3590, 4460, 7180, 11819, 19027, 23638, 38054, 47276, 59095, 76108, 80057, 95135, 118190, 160114, 190270, 236380, 320228, 380540, 400285, 800570, 1601140, 4243021, 8486042, 16972084, 21215105, 42430210, 84860420]

約数ペア:

[(1, 84860420), (2, 42430210), (4, 21215105), (5, 16972084), (10, 8486042), (20, 4243021), (53, 1601140), (106, 800570), (212, 400285), (223, 380540), (265, 320228), (359, 236380), (446, 190270), (530, 160114), (718, 118190), (892, 95135), (1060, 80057), (1115, 76108), (1436, 59095), (1795, 47276), (2230, 38054), (3590, 23638), (4460, 19027), (7180, 11819)]