211263140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30977}}^1$

素因数の和:31028

約数の個数: 48

約数和(自身を含む): 499613184

約数和(自身を除く): 288350044

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, 6820, 30977, 61954, 123908, 154885, 309770, 340747, 619540, 681494, 960287, 1362988, 1703735, 1920574, 3407470, 3841148, 4801435, 6814940, 9602870, 10563157, 19205740, 21126314, 42252628, 52815785, 105631570, 211263140]

約数ペア:

[(1, 211263140), (2, 105631570), (4, 52815785), (5, 42252628), (10, 21126314), (11, 19205740), (20, 10563157), (22, 9602870), (31, 6814940), (44, 4801435), (55, 3841148), (62, 3407470), (110, 1920574), (124, 1703735), (155, 1362988), (220, 960287), (310, 681494), (341, 619540), (620, 340747), (682, 309770), (1364, 154885), (1705, 123908), (3410, 61954), (6820, 30977)]