28977740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 38082484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1231, 2140, 2354, 2462, 4708, 4924, 5885, 6155, 11770, 12310, 13541, 23540, 24620, 27082, 54164, 67705, 131717, 135410, 263434, 270820, 526868, 658585, 1317170, 1448887, 2634340, 2897774, 5795548, 7244435, 14488870, 28977740]

約数ペア:

[(1, 28977740), (2, 14488870), (4, 7244435), (5, 5795548), (10, 2897774), (11, 2634340), (20, 1448887), (22, 1317170), (44, 658585), (55, 526868), (107, 270820), (110, 263434), (214, 135410), (220, 131717), (428, 67705), (535, 54164), (1070, 27082), (1177, 24620), (1231, 23540), (2140, 13541), (2354, 12310), (2462, 11770), (4708, 6155), (4924, 5885)]