198291660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{472123}}^1$

素因数の和:472142

約数の個数: 48

約数和(自身を含む): 634534656

約数和(自身を除く): 436242996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 472123, 944246, 1416369, 1888492, 2360615, 2832738, 3304861, 4721230, 5665476, 6609722, 7081845, 9442460, 9914583, 13219444, 14163690, 16524305, 19829166, 28327380, 33048610, 39658332, 49572915, 66097220, 99145830, 198291660]

約数ペア:

[(1, 198291660), (2, 99145830), (3, 66097220), (4, 49572915), (5, 39658332), (6, 33048610), (7, 28327380), (10, 19829166), (12, 16524305), (14, 14163690), (15, 13219444), (20, 9914583), (21, 9442460), (28, 7081845), (30, 6609722), (35, 5665476), (42, 4721230), (60, 3304861), (70, 2832738), (84, 2360615), (105, 1888492), (140, 1416369), (210, 944246), (420, 472123)]