245357190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209707}}^1$

素因数の和:209733

約数の個数: 48

約数和(自身を含む): 687003408

約数和(自身を除く): 441646218

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 209707, 419414, 629121, 1048535, 1258242, 1887363, 2097070, 2726191, 3145605, 3774726, 5452382, 6291210, 8178573, 9436815, 13630955, 16357146, 18873630, 24535719, 27261910, 40892865, 49071438, 81785730, 122678595, 245357190]

約数ペア:

[(1, 245357190), (2, 122678595), (3, 81785730), (5, 49071438), (6, 40892865), (9, 27261910), (10, 24535719), (13, 18873630), (15, 16357146), (18, 13630955), (26, 9436815), (30, 8178573), (39, 6291210), (45, 5452382), (65, 3774726), (78, 3145605), (90, 2726191), (117, 2097070), (130, 1887363), (195, 1258242), (234, 1048535), (390, 629121), (585, 419414), (1170, 209707)]