215840296

素因数分解:

$2^3\times 7^4\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 500650740

約数和(自身を除く): 284810444

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 343, 392, 476, 661, 686, 833, 952, 1322, 1372, 1666, 2401, 2644, 2744, 3332, 4627, 4802, 5288, 5831, 6664, 9254, 9604, 11237, 11662, 18508, 19208, 22474, 23324, 32389, 37016, 40817, 44948, 46648, 64778, 78659, 81634, 89896, 129556, 157318, 163268, 226723, 259112, 314636, 326536, 453446, 550613, 629272, 906892, 1101226, 1587061, 1813784, 2202452, 3174122, 3854291, 4404904, 6348244, 7708582, 12696488, 15417164, 26980037, 30834328, 53960074, 107920148, 215840296]

約数ペア:

[(1, 215840296), (2, 107920148), (4, 53960074), (7, 30834328), (8, 26980037), (14, 15417164), (17, 12696488), (28, 7708582), (34, 6348244), (49, 4404904), (56, 3854291), (68, 3174122), (98, 2202452), (119, 1813784), (136, 1587061), (196, 1101226), (238, 906892), (343, 629272), (392, 550613), (476, 453446), (661, 326536), (686, 314636), (833, 259112), (952, 226723), (1322, 163268), (1372, 157318), (1666, 129556), (2401, 89896), (2644, 81634), (2744, 78659), (3332, 64778), (4627, 46648), (4802, 44948), (5288, 40817), (5831, 37016), (6664, 32389), (9254, 23324), (9604, 22474), (11237, 19208), (11662, 18508)]