30805940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 72866304

約数和(自身を除く): 42060364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4517, 6820, 9034, 18068, 22585, 45170, 49687, 90340, 99374, 140027, 198748, 248435, 280054, 496870, 560108, 700135, 993740, 1400270, 1540297, 2800540, 3080594, 6161188, 7701485, 15402970, 30805940]

約数ペア:

[(1, 30805940), (2, 15402970), (4, 7701485), (5, 6161188), (10, 3080594), (11, 2800540), (20, 1540297), (22, 1400270), (31, 993740), (44, 700135), (55, 560108), (62, 496870), (110, 280054), (124, 248435), (155, 198748), (220, 140027), (310, 99374), (341, 90340), (620, 49687), (682, 45170), (1364, 22585), (1705, 18068), (3410, 9034), (4517, 6820)]