250022440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 584732160

約数和(自身を除く): 334709720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1237, 1240, 1304, 1630, 2474, 3260, 4948, 5053, 6185, 6520, 9896, 10106, 12370, 20212, 24740, 25265, 38347, 40424, 49480, 50530, 76694, 101060, 153388, 191735, 201631, 202120, 306776, 383470, 403262, 766940, 806524, 1008155, 1533880, 1613048, 2016310, 4032620, 6250561, 8065240, 12501122, 25002244, 31252805, 50004488, 62505610, 125011220, 250022440]

約数ペア:

[(1, 250022440), (2, 125011220), (4, 62505610), (5, 50004488), (8, 31252805), (10, 25002244), (20, 12501122), (31, 8065240), (40, 6250561), (62, 4032620), (124, 2016310), (155, 1613048), (163, 1533880), (248, 1008155), (310, 806524), (326, 766940), (620, 403262), (652, 383470), (815, 306776), (1237, 202120), (1240, 201631), (1304, 191735), (1630, 153388), (2474, 101060), (3260, 76694), (4948, 50530), (5053, 49480), (6185, 40424), (6520, 38347), (9896, 25265), (10106, 24740), (12370, 20212)]