97795400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 232999410

約数和(自身を除く): 135204010

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 97, 100, 142, 194, 200, 284, 355, 388, 485, 568, 710, 776, 970, 1420, 1775, 1940, 2425, 2840, 3550, 3880, 4850, 5041, 6887, 7100, 9700, 10082, 13774, 14200, 19400, 20164, 25205, 27548, 34435, 40328, 50410, 55096, 68870, 100820, 126025, 137740, 172175, 201640, 252050, 275480, 344350, 488977, 504100, 688700, 977954, 1008200, 1377400, 1955908, 2444885, 3911816, 4889770, 9779540, 12224425, 19559080, 24448850, 48897700, 97795400]

約数ペア:

[(1, 97795400), (2, 48897700), (4, 24448850), (5, 19559080), (8, 12224425), (10, 9779540), (20, 4889770), (25, 3911816), (40, 2444885), (50, 1955908), (71, 1377400), (97, 1008200), (100, 977954), (142, 688700), (194, 504100), (200, 488977), (284, 344350), (355, 275480), (388, 252050), (485, 201640), (568, 172175), (710, 137740), (776, 126025), (970, 100820), (1420, 68870), (1775, 55096), (1940, 50410), (2425, 40328), (2840, 34435), (3550, 27548), (3880, 25205), (4850, 20164), (5041, 19400), (6887, 14200), (7100, 13774), (9700, 10082)]