29891820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71171}}^1$

素因数の和:71190

約数の個数: 48

約数和(自身を含む): 95655168

約数和(自身を除く): 65763348

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, 71171, 142342, 213513, 284684, 355855, 427026, 498197, 711710, 854052, 996394, 1067565, 1423420, 1494591, 1992788, 2135130, 2490985, 2989182, 4270260, 4981970, 5978364, 7472955, 9963940, 14945910, 29891820]

約数ペア:

[(1, 29891820), (2, 14945910), (3, 9963940), (4, 7472955), (5, 5978364), (6, 4981970), (7, 4270260), (10, 2989182), (12, 2490985), (14, 2135130), (15, 1992788), (20, 1494591), (21, 1423420), (28, 1067565), (30, 996394), (35, 854052), (42, 711710), (60, 498197), (70, 427026), (84, 355855), (105, 284684), (140, 213513), (210, 142342), (420, 71171)]