398231730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340369}}^1$

素因数の和:340395

約数の個数: 48

約数和(自身を含む): 1115052120

約数和(自身を除く): 716820390

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, 340369, 680738, 1021107, 1701845, 2042214, 3063321, 3403690, 4424797, 5105535, 6126642, 8849594, 10211070, 13274391, 15316605, 22123985, 26548782, 30633210, 39823173, 44247970, 66371955, 79646346, 132743910, 199115865, 398231730]

約数ペア:

[(1, 398231730), (2, 199115865), (3, 132743910), (5, 79646346), (6, 66371955), (9, 44247970), (10, 39823173), (13, 30633210), (15, 26548782), (18, 22123985), (26, 15316605), (30, 13274391), (39, 10211070), (45, 8849594), (65, 6126642), (78, 5105535), (90, 4424797), (117, 3403690), (130, 3063321), (195, 2042214), (234, 1701845), (390, 1021107), (585, 680738), (1170, 340369)]