328954250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 681024240

約数和(自身を除く): 352069990

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 125, 145, 157, 170, 250, 289, 290, 314, 425, 493, 578, 725, 785, 850, 986, 1445, 1450, 1570, 2125, 2465, 2669, 2890, 3625, 3925, 4250, 4553, 4930, 5338, 7225, 7250, 7850, 8381, 9106, 12325, 13345, 14450, 16762, 19625, 22765, 24650, 26690, 36125, 39250, 41905, 45373, 45530, 61625, 66725, 72250, 77401, 83810, 90746, 113825, 123250, 133450, 154802, 209525, 226865, 227650, 333625, 387005, 419050, 453730, 569125, 667250, 774010, 1047625, 1134325, 1138250, 1315817, 1935025, 2095250, 2268650, 2631634, 3870050, 5671625, 6579085, 9675125, 11343250, 13158170, 19350250, 32895425, 65790850, 164477125, 328954250]

約数ペア:

[(1, 328954250), (2, 164477125), (5, 65790850), (10, 32895425), (17, 19350250), (25, 13158170), (29, 11343250), (34, 9675125), (50, 6579085), (58, 5671625), (85, 3870050), (125, 2631634), (145, 2268650), (157, 2095250), (170, 1935025), (250, 1315817), (289, 1138250), (290, 1134325), (314, 1047625), (425, 774010), (493, 667250), (578, 569125), (725, 453730), (785, 419050), (850, 387005), (986, 333625), (1445, 227650), (1450, 226865), (1570, 209525), (2125, 154802), (2465, 133450), (2669, 123250), (2890, 113825), (3625, 90746), (3925, 83810), (4250, 77401), (4553, 72250), (4930, 66725), (5338, 61625), (7225, 45530), (7250, 45373), (7850, 41905), (8381, 39250), (9106, 36125), (12325, 26690), (13345, 24650), (14450, 22765), (16762, 19625)]