779969240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{4903}}^1$

素因数の和:5052

約数の個数: 64

約数和(自身を含む): 1816637760

約数和(自身を除く): 1036668520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 164, 194, 205, 328, 388, 410, 485, 776, 820, 970, 1640, 1940, 3880, 3977, 4903, 7954, 9806, 15908, 19612, 19885, 24515, 31816, 39224, 39770, 49030, 79540, 98060, 159080, 196120, 201023, 402046, 475591, 804092, 951182, 1005115, 1608184, 1902364, 2010230, 2377955, 3804728, 4020460, 4755910, 8040920, 9511820, 19023640, 19499231, 38998462, 77996924, 97496155, 155993848, 194992310, 389984620, 779969240]

約数ペア:

[(1, 779969240), (2, 389984620), (4, 194992310), (5, 155993848), (8, 97496155), (10, 77996924), (20, 38998462), (40, 19499231), (41, 19023640), (82, 9511820), (97, 8040920), (164, 4755910), (194, 4020460), (205, 3804728), (328, 2377955), (388, 2010230), (410, 1902364), (485, 1608184), (776, 1005115), (820, 951182), (970, 804092), (1640, 475591), (1940, 402046), (3880, 201023), (3977, 196120), (4903, 159080), (7954, 98060), (9806, 79540), (15908, 49030), (19612, 39770), (19885, 39224), (24515, 31816)]