1689956556880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{2100473}}^1$

素因数の和:2100688

約数の個数: 80

約数和(自身を含む): 4008460562640

約数和(自身を除く): 2318504005760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 113, 178, 226, 356, 445, 452, 565, 712, 890, 904, 1130, 1424, 1780, 1808, 2260, 3560, 4520, 7120, 9040, 10057, 20114, 40228, 50285, 80456, 100570, 160912, 201140, 402280, 804560, 2100473, 4200946, 8401892, 10502365, 16803784, 21004730, 33607568, 42009460, 84018920, 168037840, 186942097, 237353449, 373884194, 474706898, 747768388, 934710485, 949413796, 1186767245, 1495536776, 1869420970, 1898827592, 2373534490, 2991073552, 3738841940, 3797655184, 4747068980, 7477683880, 9494137960, 14955367760, 18988275920, 21124456961, 42248913922, 84497827844, 105622284805, 168995655688, 211244569610, 337991311376, 422489139220, 844978278440, 1689956556880]

約数ペア:

[(1, 1689956556880), (2, 844978278440), (4, 422489139220), (5, 337991311376), (8, 211244569610), (10, 168995655688), (16, 105622284805), (20, 84497827844), (40, 42248913922), (80, 21124456961), (89, 18988275920), (113, 14955367760), (178, 9494137960), (226, 7477683880), (356, 4747068980), (445, 3797655184), (452, 3738841940), (565, 2991073552), (712, 2373534490), (890, 1898827592), (904, 1869420970), (1130, 1495536776), (1424, 1186767245), (1780, 949413796), (1808, 934710485), (2260, 747768388), (3560, 474706898), (4520, 373884194), (7120, 237353449), (9040, 186942097), (10057, 168037840), (20114, 84018920), (40228, 42009460), (50285, 33607568), (80456, 21004730), (100570, 16803784), (160912, 10502365), (201140, 8401892), (402280, 4200946), (804560, 2100473)]