198101820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{471671}}^1$

素因数の和:471690

約数の個数: 48

約数和(自身を含む): 633927168

約数和(自身を除く): 435825348

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, 471671, 943342, 1415013, 1886684, 2358355, 2830026, 3301697, 4716710, 5660052, 6603394, 7075065, 9433420, 9905091, 13206788, 14150130, 16508485, 19810182, 28300260, 33016970, 39620364, 49525455, 66033940, 99050910, 198101820]

約数ペア:

[(1, 198101820), (2, 99050910), (3, 66033940), (4, 49525455), (5, 39620364), (6, 33016970), (7, 28300260), (10, 19810182), (12, 16508485), (14, 14150130), (15, 13206788), (20, 9905091), (21, 9433420), (28, 7075065), (30, 6603394), (35, 5660052), (42, 4716710), (60, 3301697), (70, 2830026), (84, 2358355), (105, 1886684), (140, 1415013), (210, 943342), (420, 471671)]