251680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:50

約数の個数: 72

約数和(自身を含む): 703836

約数和(自身を除く): 452156

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 572, 605, 715, 880, 968, 1040, 1144, 1210, 1430, 1573, 1760, 1936, 2080, 2288, 2420, 2860, 3146, 3872, 4576, 4840, 5720, 6292, 7865, 9680, 11440, 12584, 15730, 19360, 22880, 25168, 31460, 50336, 62920, 125840, 251680]

約数ペア:

[(1, 251680), (2, 125840), (4, 62920), (5, 50336), (8, 31460), (10, 25168), (11, 22880), (13, 19360), (16, 15730), (20, 12584), (22, 11440), (26, 9680), (32, 7865), (40, 6292), (44, 5720), (52, 4840), (55, 4576), (65, 3872), (80, 3146), (88, 2860), (104, 2420), (110, 2288), (121, 2080), (130, 1936), (143, 1760), (160, 1573), (176, 1430), (208, 1210), (220, 1144), (242, 1040), (260, 968), (286, 880), (352, 715), (416, 605), (440, 572), (484, 520)]