289370740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{829}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 629153280

約数和(自身を除く): 339782540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 563, 620, 829, 1126, 1658, 2252, 2815, 3316, 4145, 5630, 8290, 11260, 16580, 17453, 25699, 34906, 51398, 69812, 87265, 102796, 128495, 174530, 256990, 349060, 466727, 513980, 933454, 1866908, 2333635, 4667270, 9334540, 14468537, 28937074, 57874148, 72342685, 144685370, 289370740]

約数ペア:

[(1, 289370740), (2, 144685370), (4, 72342685), (5, 57874148), (10, 28937074), (20, 14468537), (31, 9334540), (62, 4667270), (124, 2333635), (155, 1866908), (310, 933454), (563, 513980), (620, 466727), (829, 349060), (1126, 256990), (1658, 174530), (2252, 128495), (2815, 102796), (3316, 87265), (4145, 69812), (5630, 51398), (8290, 34906), (11260, 25699), (16580, 17453)]