245001790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3541}}^1$

素因数の和:3613

約数の個数: 64

約数和(自身を含む): 523309248

約数和(自身を除く): 278307458

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 170, 185, 187, 370, 374, 407, 629, 814, 935, 1258, 1870, 2035, 3145, 3541, 4070, 6290, 6919, 7082, 13838, 17705, 34595, 35410, 38951, 60197, 69190, 77902, 120394, 131017, 194755, 262034, 300985, 389510, 601970, 655085, 662167, 1310170, 1324334, 1441187, 2227289, 2882374, 3310835, 4454578, 6621670, 7205935, 11136445, 14411870, 22272890, 24500179, 49000358, 122500895, 245001790]

約数ペア:

[(1, 245001790), (2, 122500895), (5, 49000358), (10, 24500179), (11, 22272890), (17, 14411870), (22, 11136445), (34, 7205935), (37, 6621670), (55, 4454578), (74, 3310835), (85, 2882374), (110, 2227289), (170, 1441187), (185, 1324334), (187, 1310170), (370, 662167), (374, 655085), (407, 601970), (629, 389510), (814, 300985), (935, 262034), (1258, 194755), (1870, 131017), (2035, 120394), (3145, 77902), (3541, 69190), (4070, 60197), (6290, 38951), (6919, 35410), (7082, 34595), (13838, 17705)]