253312180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{60601}}^1$

素因数の和:60640

約数の個数: 48

約数和(自身を含む): 610868160

約数和(自身を除く): 357555980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 60601, 121202, 242404, 303005, 606010, 666611, 1151419, 1212020, 1333222, 2302838, 2666444, 3333055, 4605676, 5757095, 6666110, 11514190, 12665609, 13332220, 23028380, 25331218, 50662436, 63328045, 126656090, 253312180]

約数ペア:

[(1, 253312180), (2, 126656090), (4, 63328045), (5, 50662436), (10, 25331218), (11, 23028380), (19, 13332220), (20, 12665609), (22, 11514190), (38, 6666110), (44, 5757095), (55, 4605676), (76, 3333055), (95, 2666444), (110, 2302838), (190, 1333222), (209, 1212020), (220, 1151419), (380, 666611), (418, 606010), (836, 303005), (1045, 242404), (2090, 121202), (4180, 60601)]