297906620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{4091}}^1$

素因数の和:4442

約数の個数: 48

約数和(自身を含む): 684706176

約数和(自身を除く): 386799556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1324, 1655, 3310, 3641, 4091, 6620, 7282, 8182, 14564, 16364, 18205, 20455, 36410, 40910, 45001, 72820, 81820, 90002, 180004, 225005, 450010, 900020, 1354121, 2708242, 5416484, 6770605, 13541210, 14895331, 27082420, 29790662, 59581324, 74476655, 148953310, 297906620]

約数ペア:

[(1, 297906620), (2, 148953310), (4, 74476655), (5, 59581324), (10, 29790662), (11, 27082420), (20, 14895331), (22, 13541210), (44, 6770605), (55, 5416484), (110, 2708242), (220, 1354121), (331, 900020), (662, 450010), (1324, 225005), (1655, 180004), (3310, 90002), (3641, 81820), (4091, 72820), (6620, 45001), (7282, 40910), (8182, 36410), (14564, 20455), (16364, 18205)]