2143805000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{13831}}^1$

素因数の和:13888

約数の個数: 80

約数和(自身を含む): 5185340160

約数和(自身を除く): 3041535160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1550, 2500, 3100, 3875, 5000, 6200, 7750, 13831, 15500, 19375, 27662, 31000, 38750, 55324, 69155, 77500, 110648, 138310, 155000, 276620, 345775, 428761, 553240, 691550, 857522, 1383100, 1715044, 1728875, 2143805, 2766200, 3430088, 3457750, 4287610, 6915500, 8575220, 8644375, 10719025, 13831000, 17150440, 17288750, 21438050, 34577500, 42876100, 53595125, 69155000, 85752200, 107190250, 214380500, 267975625, 428761000, 535951250, 1071902500, 2143805000]

約数ペア:

[(1, 2143805000), (2, 1071902500), (4, 535951250), (5, 428761000), (8, 267975625), (10, 214380500), (20, 107190250), (25, 85752200), (31, 69155000), (40, 53595125), (50, 42876100), (62, 34577500), (100, 21438050), (124, 17288750), (125, 17150440), (155, 13831000), (200, 10719025), (248, 8644375), (250, 8575220), (310, 6915500), (500, 4287610), (620, 3457750), (625, 3430088), (775, 2766200), (1000, 2143805), (1240, 1728875), (1250, 1715044), (1550, 1383100), (2500, 857522), (3100, 691550), (3875, 553240), (5000, 428761), (6200, 345775), (7750, 276620), (13831, 155000), (15500, 138310), (19375, 110648), (27662, 77500), (31000, 69155), (38750, 55324)]