7218970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 15344640

約数和(自身を除く): 8125670

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 73, 110, 145, 146, 155, 290, 310, 319, 341, 365, 638, 682, 730, 803, 899, 1595, 1606, 1705, 1798, 2117, 2263, 3190, 3410, 4015, 4234, 4495, 4526, 8030, 8990, 9889, 10585, 11315, 19778, 21170, 22630, 23287, 24893, 46574, 49445, 49786, 65627, 98890, 116435, 124465, 131254, 232870, 248930, 328135, 656270, 721897, 1443794, 3609485, 7218970]

約数ペア:

[(1, 7218970), (2, 3609485), (5, 1443794), (10, 721897), (11, 656270), (22, 328135), (29, 248930), (31, 232870), (55, 131254), (58, 124465), (62, 116435), (73, 98890), (110, 65627), (145, 49786), (146, 49445), (155, 46574), (290, 24893), (310, 23287), (319, 22630), (341, 21170), (365, 19778), (638, 11315), (682, 10585), (730, 9889), (803, 8990), (899, 8030), (1595, 4526), (1606, 4495), (1705, 4234), (1798, 4015), (2117, 3410), (2263, 3190)]