198853340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2251}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 478216704

約数和(自身を除く): 279363364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 2251, 2524, 3155, 4417, 4502, 6310, 8834, 9004, 11255, 12620, 15757, 17668, 22085, 22510, 31514, 44170, 45020, 63028, 78785, 88340, 157570, 315140, 1420381, 2840762, 5681524, 7101905, 9942667, 14203810, 19885334, 28407620, 39770668, 49713335, 99426670, 198853340]

約数ペア:

[(1, 198853340), (2, 99426670), (4, 49713335), (5, 39770668), (7, 28407620), (10, 19885334), (14, 14203810), (20, 9942667), (28, 7101905), (35, 5681524), (70, 2840762), (140, 1420381), (631, 315140), (1262, 157570), (2251, 88340), (2524, 78785), (3155, 63028), (4417, 45020), (4502, 44170), (6310, 31514), (8834, 22510), (9004, 22085), (11255, 17668), (12620, 15757)]