388630820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{290023}}^1$

素因数の和:290099

約数の個数: 24

約数和(自身を含む): 828308544

約数和(自身を除く): 439677724

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 290023, 580046, 1160092, 1450115, 2900230, 5800460, 19431541, 38863082, 77726164, 97157705, 194315410, 388630820]

約数ペア:

[(1, 388630820), (2, 194315410), (4, 97157705), (5, 77726164), (10, 38863082), (20, 19431541), (67, 5800460), (134, 2900230), (268, 1450115), (335, 1160092), (670, 580046), (1340, 290023)]