9810020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 24748416

約数和(自身を除く): 14938396

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 61, 68, 85, 86, 110, 122, 170, 172, 187, 215, 220, 244, 305, 340, 374, 430, 473, 610, 671, 731, 748, 860, 935, 946, 1037, 1220, 1342, 1462, 1870, 1892, 2074, 2365, 2623, 2684, 2924, 3355, 3655, 3740, 4148, 4730, 5185, 5246, 6710, 7310, 8041, 9460, 10370, 10492, 11407, 13115, 13420, 14620, 16082, 20740, 22814, 26230, 28853, 32164, 40205, 44591, 45628, 52460, 57035, 57706, 80410, 89182, 114070, 115412, 144265, 160820, 178364, 222955, 228140, 288530, 445910, 490501, 577060, 891820, 981002, 1962004, 2452505, 4905010, 9810020]

約数ペア:

[(1, 9810020), (2, 4905010), (4, 2452505), (5, 1962004), (10, 981002), (11, 891820), (17, 577060), (20, 490501), (22, 445910), (34, 288530), (43, 228140), (44, 222955), (55, 178364), (61, 160820), (68, 144265), (85, 115412), (86, 114070), (110, 89182), (122, 80410), (170, 57706), (172, 57035), (187, 52460), (215, 45628), (220, 44591), (244, 40205), (305, 32164), (340, 28853), (374, 26230), (430, 22814), (473, 20740), (610, 16082), (671, 14620), (731, 13420), (748, 13115), (860, 11407), (935, 10492), (946, 10370), (1037, 9460), (1220, 8041), (1342, 7310), (1462, 6710), (1870, 5246), (1892, 5185), (2074, 4730), (2365, 4148), (2623, 3740), (2684, 3655), (2924, 3355)]