7780147280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1332217}}^1$

素因数の和:1332303

約数の個数: 40

約数和(自身を含む): 18336648552

約数和(自身を除く): 10556501272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 1332217, 2664434, 5328868, 6661085, 10657736, 13322170, 21315472, 26644340, 53288680, 97251841, 106577360, 194503682, 389007364, 486259205, 778014728, 972518410, 1556029456, 1945036820, 3890073640, 7780147280]

約数ペア:

[(1, 7780147280), (2, 3890073640), (4, 1945036820), (5, 1556029456), (8, 972518410), (10, 778014728), (16, 486259205), (20, 389007364), (40, 194503682), (73, 106577360), (80, 97251841), (146, 53288680), (292, 26644340), (365, 21315472), (584, 13322170), (730, 10657736), (1168, 6661085), (1460, 5328868), (2920, 2664434), (5840, 1332217)]