207938900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:238

約数の個数: 108

約数和(自身を含む): 519880788

約数和(自身を除く): 311941888

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 97, 100, 130, 170, 194, 221, 260, 325, 340, 388, 425, 442, 485, 650, 850, 884, 970, 1105, 1261, 1300, 1649, 1700, 1940, 2210, 2425, 2522, 3298, 4420, 4850, 5044, 5525, 6305, 6596, 8245, 9409, 9700, 11050, 12610, 16490, 18818, 21437, 22100, 25220, 31525, 32980, 37636, 41225, 42874, 47045, 63050, 82450, 85748, 94090, 107185, 122317, 126100, 159953, 164900, 188180, 214370, 235225, 244634, 319906, 428740, 470450, 489268, 535925, 611585, 639812, 799765, 940900, 1071850, 1223170, 1599530, 2079389, 2143700, 2446340, 3057925, 3199060, 3998825, 4158778, 6115850, 7997650, 8317556, 10396945, 12231700, 15995300, 20793890, 41587780, 51984725, 103969450, 207938900]

約数ペア:

[(1, 207938900), (2, 103969450), (4, 51984725), (5, 41587780), (10, 20793890), (13, 15995300), (17, 12231700), (20, 10396945), (25, 8317556), (26, 7997650), (34, 6115850), (50, 4158778), (52, 3998825), (65, 3199060), (68, 3057925), (85, 2446340), (97, 2143700), (100, 2079389), (130, 1599530), (170, 1223170), (194, 1071850), (221, 940900), (260, 799765), (325, 639812), (340, 611585), (388, 535925), (425, 489268), (442, 470450), (485, 428740), (650, 319906), (850, 244634), (884, 235225), (970, 214370), (1105, 188180), (1261, 164900), (1300, 159953), (1649, 126100), (1700, 122317), (1940, 107185), (2210, 94090), (2425, 85748), (2522, 82450), (3298, 63050), (4420, 47045), (4850, 42874), (5044, 41225), (5525, 37636), (6305, 32980), (6596, 31525), (8245, 25220), (9409, 22100), (9700, 21437), (11050, 18818), (12610, 16490)]