157749160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 362854800

約数和(自身を除く): 205105640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 109, 194, 218, 373, 388, 436, 485, 545, 746, 776, 872, 970, 1090, 1492, 1865, 1940, 2180, 2984, 3730, 3880, 4360, 7460, 10573, 14920, 21146, 36181, 40657, 42292, 52865, 72362, 81314, 84584, 105730, 144724, 162628, 180905, 203285, 211460, 289448, 325256, 361810, 406570, 422920, 723620, 813140, 1447240, 1626280, 3943729, 7887458, 15774916, 19718645, 31549832, 39437290, 78874580, 157749160]

約数ペア:

[(1, 157749160), (2, 78874580), (4, 39437290), (5, 31549832), (8, 19718645), (10, 15774916), (20, 7887458), (40, 3943729), (97, 1626280), (109, 1447240), (194, 813140), (218, 723620), (373, 422920), (388, 406570), (436, 361810), (485, 325256), (545, 289448), (746, 211460), (776, 203285), (872, 180905), (970, 162628), (1090, 144724), (1492, 105730), (1865, 84584), (1940, 81314), (2180, 72362), (2984, 52865), (3730, 42292), (3880, 40657), (4360, 36181), (7460, 21146), (10573, 14920)]