349715960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{25639}}^1$

素因数の和:25692

約数の個数: 64

約数和(自身を含む): 886118400

約数和(自身を除く): 536402440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 25639, 51278, 102556, 128195, 205112, 256390, 282029, 512780, 564058, 794809, 1025560, 1128116, 1410145, 1589618, 2256232, 2820290, 3179236, 3974045, 5640580, 6358472, 7948090, 8742899, 11281160, 15896180, 17485798, 31792360, 34971596, 43714495, 69943192, 87428990, 174857980, 349715960]

約数ペア:

[(1, 349715960), (2, 174857980), (4, 87428990), (5, 69943192), (8, 43714495), (10, 34971596), (11, 31792360), (20, 17485798), (22, 15896180), (31, 11281160), (40, 8742899), (44, 7948090), (55, 6358472), (62, 5640580), (88, 3974045), (110, 3179236), (124, 2820290), (155, 2256232), (220, 1589618), (248, 1410145), (310, 1128116), (341, 1025560), (440, 794809), (620, 564058), (682, 512780), (1240, 282029), (1364, 256390), (1705, 205112), (2728, 128195), (3410, 102556), (6820, 51278), (13640, 25639)]