201765460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18047}}^1$

素因数の和:18112

約数の個数: 48

約数和(自身を含む): 466937856

約数和(自身を除く): 265172396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 18047, 36094, 72188, 90235, 180470, 234611, 360940, 469222, 776021, 938444, 1173055, 1552042, 2346110, 3104084, 3880105, 4692220, 7760210, 10088273, 15520420, 20176546, 40353092, 50441365, 100882730, 201765460]

約数ペア:

[(1, 201765460), (2, 100882730), (4, 50441365), (5, 40353092), (10, 20176546), (13, 15520420), (20, 10088273), (26, 7760210), (43, 4692220), (52, 3880105), (65, 3104084), (86, 2346110), (130, 1552042), (172, 1173055), (215, 938444), (260, 776021), (430, 469222), (559, 360940), (860, 234611), (1118, 180470), (2236, 90235), (2795, 72188), (5590, 36094), (11180, 18047)]