718753146040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1\times {\mathrm{221873}}^1$

素因数の和:222736

約数の個数: 64

約数和(自身を含む): 1634235134400

約数和(自身を除く): 915481988360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 743, 872, 1090, 1486, 2180, 2972, 3715, 4360, 5944, 7430, 14860, 29720, 80987, 161974, 221873, 323948, 404935, 443746, 647896, 809870, 887492, 1109365, 1619740, 1774984, 2218730, 3239480, 4437460, 8874920, 24184157, 48368314, 96736628, 120920785, 164851639, 193473256, 241841570, 329703278, 483683140, 659406556, 824258195, 967366280, 1318813112, 1648516390, 3297032780, 6594065560, 17968828651, 35937657302, 71875314604, 89844143255, 143750629208, 179688286510, 359376573020, 718753146040]

約数ペア:

[(1, 718753146040), (2, 359376573020), (4, 179688286510), (5, 143750629208), (8, 89844143255), (10, 71875314604), (20, 35937657302), (40, 17968828651), (109, 6594065560), (218, 3297032780), (436, 1648516390), (545, 1318813112), (743, 967366280), (872, 824258195), (1090, 659406556), (1486, 483683140), (2180, 329703278), (2972, 241841570), (3715, 193473256), (4360, 164851639), (5944, 120920785), (7430, 96736628), (14860, 48368314), (29720, 24184157), (80987, 8874920), (161974, 4437460), (221873, 3239480), (323948, 2218730), (404935, 1774984), (443746, 1619740), (647896, 1109365), (809870, 887492)]