201680668

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 446369280

約数和(自身を除く): 244688612

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1519, 1747, 1862, 2356, 3038, 3494, 3724, 4123, 6076, 6988, 8246, 12229, 16492, 24458, 28861, 33193, 48916, 54157, 57722, 66386, 85603, 108314, 115444, 132772, 171206, 216628, 232351, 342412, 379099, 464702, 758198, 929404, 1028983, 1516396, 1626457, 2057966, 2653693, 3252914, 4115932, 5307386, 6505828, 7202881, 10614772, 14405762, 28811524, 50420167, 100840334, 201680668]

約数ペア:

[(1, 201680668), (2, 100840334), (4, 50420167), (7, 28811524), (14, 14405762), (19, 10614772), (28, 7202881), (31, 6505828), (38, 5307386), (49, 4115932), (62, 3252914), (76, 2653693), (98, 2057966), (124, 1626457), (133, 1516396), (196, 1028983), (217, 929404), (266, 758198), (434, 464702), (532, 379099), (589, 342412), (868, 232351), (931, 216628), (1178, 171206), (1519, 132772), (1747, 115444), (1862, 108314), (2356, 85603), (3038, 66386), (3494, 57722), (3724, 54157), (4123, 48916), (6076, 33193), (6988, 28861), (8246, 24458), (12229, 16492)]