29983940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3511}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 73161984

約数和(自身を除く): 43178044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3511, 4270, 7022, 8540, 14044, 17555, 24577, 35110, 49154, 70220, 98308, 122885, 214171, 245770, 428342, 491540, 856684, 1070855, 1499197, 2141710, 2998394, 4283420, 5996788, 7495985, 14991970, 29983940]

約数ペア:

[(1, 29983940), (2, 14991970), (4, 7495985), (5, 5996788), (7, 4283420), (10, 2998394), (14, 2141710), (20, 1499197), (28, 1070855), (35, 856684), (61, 491540), (70, 428342), (122, 245770), (140, 214171), (244, 122885), (305, 98308), (427, 70220), (610, 49154), (854, 35110), (1220, 24577), (1708, 17555), (2135, 14044), (3511, 8540), (4270, 7022)]