72881500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2053}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 161493696

約数和(自身を除く): 88612196

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 2053, 3550, 4106, 7100, 8212, 8875, 10265, 17750, 20530, 35500, 41060, 51325, 102650, 145763, 205300, 256625, 291526, 513250, 583052, 728815, 1026500, 1457630, 2915260, 3644075, 7288150, 14576300, 18220375, 36440750, 72881500]

約数ペア:

[(1, 72881500), (2, 36440750), (4, 18220375), (5, 14576300), (10, 7288150), (20, 3644075), (25, 2915260), (50, 1457630), (71, 1026500), (100, 728815), (125, 583052), (142, 513250), (250, 291526), (284, 256625), (355, 205300), (500, 145763), (710, 102650), (1420, 51325), (1775, 41060), (2053, 35500), (3550, 20530), (4106, 17750), (7100, 10265), (8212, 8875)]