657205540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{4409}}^1$

素因数の和:4704

約数の個数: 48

約数和(自身を含む): 1433602800

約数和(自身を除く): 776397260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 580, 1028, 1285, 2570, 4409, 5140, 7453, 8818, 14906, 17636, 22045, 29812, 37265, 44090, 74530, 88180, 127861, 149060, 255722, 511444, 639305, 1133113, 1278610, 2266226, 2557220, 4532452, 5665565, 11331130, 22662260, 32860277, 65720554, 131441108, 164301385, 328602770, 657205540]

約数ペア:

[(1, 657205540), (2, 328602770), (4, 164301385), (5, 131441108), (10, 65720554), (20, 32860277), (29, 22662260), (58, 11331130), (116, 5665565), (145, 4532452), (257, 2557220), (290, 2266226), (514, 1278610), (580, 1133113), (1028, 639305), (1285, 511444), (2570, 255722), (4409, 149060), (5140, 127861), (7453, 88180), (8818, 74530), (14906, 44090), (17636, 37265), (22045, 29812)]