47940760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 124312320

約数和(自身を除く): 76371560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1307, 1310, 1834, 2614, 2620, 3668, 4585, 5228, 5240, 6535, 7336, 9149, 9170, 10456, 13070, 18298, 18340, 26140, 36596, 36680, 45745, 52280, 73192, 91490, 171217, 182980, 342434, 365960, 684868, 856085, 1198519, 1369736, 1712170, 2397038, 3424340, 4794076, 5992595, 6848680, 9588152, 11985190, 23970380, 47940760]

約数ペア:

[(1, 47940760), (2, 23970380), (4, 11985190), (5, 9588152), (7, 6848680), (8, 5992595), (10, 4794076), (14, 3424340), (20, 2397038), (28, 1712170), (35, 1369736), (40, 1198519), (56, 856085), (70, 684868), (131, 365960), (140, 342434), (262, 182980), (280, 171217), (524, 91490), (655, 73192), (917, 52280), (1048, 45745), (1307, 36680), (1310, 36596), (1834, 26140), (2614, 18340), (2620, 18298), (3668, 13070), (4585, 10456), (5228, 9170), (5240, 9149), (6535, 7336)]