30156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12671}}^1$

素因数の和:12704

約数の個数: 48

約数和(自身を含む): 76640256

約数和(自身を除く): 46483276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12671, 25342, 50684, 63355, 88697, 126710, 177394, 215407, 253420, 354788, 430814, 443485, 861628, 886970, 1077035, 1507849, 1773940, 2154070, 3015698, 4308140, 6031396, 7539245, 15078490, 30156980]

約数ペア:

[(1, 30156980), (2, 15078490), (4, 7539245), (5, 6031396), (7, 4308140), (10, 3015698), (14, 2154070), (17, 1773940), (20, 1507849), (28, 1077035), (34, 886970), (35, 861628), (68, 443485), (70, 430814), (85, 354788), (119, 253420), (140, 215407), (170, 177394), (238, 126710), (340, 88697), (476, 63355), (595, 50684), (1190, 25342), (2380, 12671)]