259441490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 584506368

約数和(自身を除く): 325064878

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 347, 385, 694, 770, 971, 1735, 1942, 2429, 3470, 3817, 4855, 4858, 6797, 7634, 9710, 10681, 12145, 13594, 19085, 21362, 24290, 26719, 33985, 38170, 53405, 53438, 67970, 74767, 106810, 133595, 149534, 267190, 336937, 373835, 673874, 747670, 1684685, 2358559, 3369370, 3706307, 4717118, 7412614, 11792795, 18531535, 23585590, 25944149, 37063070, 51888298, 129720745, 259441490]

約数ペア:

[(1, 259441490), (2, 129720745), (5, 51888298), (7, 37063070), (10, 25944149), (11, 23585590), (14, 18531535), (22, 11792795), (35, 7412614), (55, 4717118), (70, 3706307), (77, 3369370), (110, 2358559), (154, 1684685), (347, 747670), (385, 673874), (694, 373835), (770, 336937), (971, 267190), (1735, 149534), (1942, 133595), (2429, 106810), (3470, 74767), (3817, 67970), (4855, 53438), (4858, 53405), (6797, 38170), (7634, 33985), (9710, 26719), (10681, 24290), (12145, 21362), (13594, 19085)]