290425360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 701955072

約数和(自身を除く): 411529712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 620, 647, 724, 905, 1240, 1294, 1448, 1810, 2480, 2588, 2896, 3235, 3620, 5176, 5611, 6470, 7240, 10352, 11222, 12940, 14480, 20057, 22444, 25880, 28055, 40114, 44888, 51760, 56110, 80228, 89776, 100285, 112220, 117107, 160456, 200570, 224440, 234214, 320912, 401140, 448880, 468428, 585535, 802280, 936856, 1171070, 1604560, 1873712, 2342140, 3630317, 4684280, 7260634, 9368560, 14521268, 18151585, 29042536, 36303170, 58085072, 72606340, 145212680, 290425360]

約数ペア:

[(1, 290425360), (2, 145212680), (4, 72606340), (5, 58085072), (8, 36303170), (10, 29042536), (16, 18151585), (20, 14521268), (31, 9368560), (40, 7260634), (62, 4684280), (80, 3630317), (124, 2342140), (155, 1873712), (181, 1604560), (248, 1171070), (310, 936856), (362, 802280), (496, 585535), (620, 468428), (647, 448880), (724, 401140), (905, 320912), (1240, 234214), (1294, 224440), (1448, 200570), (1810, 160456), (2480, 117107), (2588, 112220), (2896, 100285), (3235, 89776), (3620, 80228), (5176, 56110), (5611, 51760), (6470, 44888), (7240, 40114), (10352, 28055), (11222, 25880), (12940, 22444), (14480, 20057)]