140740000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 120

約数和(自身を含む): 358985088

約数和(自身を除く): 218245088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 227, 248, 250, 310, 400, 454, 496, 500, 620, 625, 775, 800, 908, 992, 1000, 1135, 1240, 1250, 1550, 1816, 2000, 2270, 2480, 2500, 3100, 3632, 3875, 4000, 4540, 4960, 5000, 5675, 6200, 7037, 7264, 7750, 9080, 10000, 11350, 12400, 14074, 15500, 18160, 19375, 20000, 22700, 24800, 28148, 28375, 31000, 35185, 36320, 38750, 45400, 56296, 56750, 62000, 70370, 77500, 90800, 112592, 113500, 124000, 140740, 141875, 155000, 175925, 181600, 225184, 227000, 281480, 283750, 310000, 351850, 454000, 562960, 567500, 620000, 703700, 879625, 908000, 1125920, 1135000, 1407400, 1759250, 2270000, 2814800, 3518500, 4398125, 4540000, 5629600, 7037000, 8796250, 14074000, 17592500, 28148000, 35185000, 70370000, 140740000]

約数ペア:

[(1, 140740000), (2, 70370000), (4, 35185000), (5, 28148000), (8, 17592500), (10, 14074000), (16, 8796250), (20, 7037000), (25, 5629600), (31, 4540000), (32, 4398125), (40, 3518500), (50, 2814800), (62, 2270000), (80, 1759250), (100, 1407400), (124, 1135000), (125, 1125920), (155, 908000), (160, 879625), (200, 703700), (227, 620000), (248, 567500), (250, 562960), (310, 454000), (400, 351850), (454, 310000), (496, 283750), (500, 281480), (620, 227000), (625, 225184), (775, 181600), (800, 175925), (908, 155000), (992, 141875), (1000, 140740), (1135, 124000), (1240, 113500), (1250, 112592), (1550, 90800), (1816, 77500), (2000, 70370), (2270, 62000), (2480, 56750), (2500, 56296), (3100, 45400), (3632, 38750), (3875, 36320), (4000, 35185), (4540, 31000), (4960, 28375), (5000, 28148), (5675, 24800), (6200, 22700), (7037, 20000), (7264, 19375), (7750, 18160), (9080, 15500), (10000, 14074), (11350, 12400)]