70971420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90989}}^1$

素因数の和:91014

約数の個数: 48

約数和(自身を含む): 214008480

約数和(自身を除く): 143037060

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, 90989, 181978, 272967, 363956, 454945, 545934, 909890, 1091868, 1182857, 1364835, 1819780, 2365714, 2729670, 3548571, 4731428, 5459340, 5914285, 7097142, 11828570, 14194284, 17742855, 23657140, 35485710, 70971420]

約数ペア:

[(1, 70971420), (2, 35485710), (3, 23657140), (4, 17742855), (5, 14194284), (6, 11828570), (10, 7097142), (12, 5914285), (13, 5459340), (15, 4731428), (20, 3548571), (26, 2729670), (30, 2365714), (39, 1819780), (52, 1364835), (60, 1182857), (65, 1091868), (78, 909890), (130, 545934), (156, 454945), (195, 363956), (260, 272967), (390, 181978), (780, 90989)]