238501380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{305771}}^1$

素因数の和:305796

約数の個数: 48

約数和(自身を含む): 719175744

約数和(自身を除く): 480674364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 305771, 611542, 917313, 1223084, 1528855, 1834626, 3057710, 3669252, 3975023, 4586565, 6115420, 7950046, 9173130, 11925069, 15900092, 18346260, 19875115, 23850138, 39750230, 47700276, 59625345, 79500460, 119250690, 238501380]

約数ペア:

[(1, 238501380), (2, 119250690), (3, 79500460), (4, 59625345), (5, 47700276), (6, 39750230), (10, 23850138), (12, 19875115), (13, 18346260), (15, 15900092), (20, 11925069), (26, 9173130), (30, 7950046), (39, 6115420), (52, 4586565), (60, 3975023), (65, 3669252), (78, 3057710), (130, 1834626), (156, 1528855), (195, 1223084), (260, 917313), (390, 611542), (780, 305771)]