870147100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2695

約数の個数: 72

約数和(自身を含む): 1958343408

約数和(自身を除く): 1088196308

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 83, 100, 164, 166, 205, 332, 410, 415, 820, 830, 1025, 1660, 2050, 2075, 2557, 3403, 4100, 4150, 5114, 6806, 8300, 10228, 12785, 13612, 17015, 25570, 34030, 51140, 63925, 68060, 85075, 104837, 127850, 170150, 209674, 212231, 255700, 340300, 419348, 424462, 524185, 848924, 1048370, 1061155, 2096740, 2122310, 2620925, 4244620, 5241850, 5305775, 8701471, 10483700, 10611550, 17402942, 21223100, 34805884, 43507355, 87014710, 174029420, 217536775, 435073550, 870147100]

約数ペア:

[(1, 870147100), (2, 435073550), (4, 217536775), (5, 174029420), (10, 87014710), (20, 43507355), (25, 34805884), (41, 21223100), (50, 17402942), (82, 10611550), (83, 10483700), (100, 8701471), (164, 5305775), (166, 5241850), (205, 4244620), (332, 2620925), (410, 2122310), (415, 2096740), (820, 1061155), (830, 1048370), (1025, 848924), (1660, 524185), (2050, 424462), (2075, 419348), (2557, 340300), (3403, 255700), (4100, 212231), (4150, 209674), (5114, 170150), (6806, 127850), (8300, 104837), (10228, 85075), (12785, 68060), (13612, 63925), (17015, 51140), (25570, 34030)]