263228980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{2377}}^1$

素因数の和:2513

約数の個数: 72

約数和(自身を含む): 648994248

約数和(自身を除く): 385765268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 2377, 3164, 3955, 4754, 5537, 7910, 9508, 11074, 11885, 15820, 16639, 22148, 23770, 27685, 33278, 47540, 55370, 66556, 83195, 110740, 116473, 166390, 232946, 268601, 332780, 465892, 537202, 582365, 1074404, 1164730, 1343005, 1880207, 2329460, 2686010, 3760414, 5372020, 7520828, 9401035, 13161449, 18802070, 26322898, 37604140, 52645796, 65807245, 131614490, 263228980]

約数ペア:

[(1, 263228980), (2, 131614490), (4, 65807245), (5, 52645796), (7, 37604140), (10, 26322898), (14, 18802070), (20, 13161449), (28, 9401035), (35, 7520828), (49, 5372020), (70, 3760414), (98, 2686010), (113, 2329460), (140, 1880207), (196, 1343005), (226, 1164730), (245, 1074404), (452, 582365), (490, 537202), (565, 465892), (791, 332780), (980, 268601), (1130, 232946), (1582, 166390), (2260, 116473), (2377, 110740), (3164, 83195), (3955, 66556), (4754, 55370), (5537, 47540), (7910, 33278), (9508, 27685), (11074, 23770), (11885, 22148), (15820, 16639)]