2794220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 6900768

約数和(自身を除く): 4106548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 977, 1430, 1954, 2860, 3908, 4885, 9770, 10747, 12701, 19540, 21494, 25402, 42988, 50804, 53735, 63505, 107470, 127010, 139711, 214940, 254020, 279422, 558844, 698555, 1397110, 2794220]

約数ペア:

[(1, 2794220), (2, 1397110), (4, 698555), (5, 558844), (10, 279422), (11, 254020), (13, 214940), (20, 139711), (22, 127010), (26, 107470), (44, 63505), (52, 53735), (55, 50804), (65, 42988), (110, 25402), (130, 21494), (143, 19540), (220, 12701), (260, 10747), (286, 9770), (572, 4885), (715, 3908), (977, 2860), (1430, 1954)]