287702900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 669332160

約数和(自身を除く): 381629260

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 83, 85, 100, 166, 170, 332, 340, 415, 425, 830, 850, 1411, 1660, 1700, 2039, 2075, 2822, 4078, 4150, 5644, 7055, 8156, 8300, 10195, 14110, 20390, 28220, 34663, 35275, 40780, 50975, 69326, 70550, 101950, 138652, 141100, 169237, 173315, 203900, 338474, 346630, 676948, 693260, 846185, 866575, 1692370, 1733150, 2877029, 3384740, 3466300, 4230925, 5754058, 8461850, 11508116, 14385145, 16923700, 28770290, 57540580, 71925725, 143851450, 287702900]

約数ペア:

[(1, 287702900), (2, 143851450), (4, 71925725), (5, 57540580), (10, 28770290), (17, 16923700), (20, 14385145), (25, 11508116), (34, 8461850), (50, 5754058), (68, 4230925), (83, 3466300), (85, 3384740), (100, 2877029), (166, 1733150), (170, 1692370), (332, 866575), (340, 846185), (415, 693260), (425, 676948), (830, 346630), (850, 338474), (1411, 203900), (1660, 173315), (1700, 169237), (2039, 141100), (2075, 138652), (2822, 101950), (4078, 70550), (4150, 69326), (5644, 50975), (7055, 40780), (8156, 35275), (8300, 34663), (10195, 28220), (14110, 20390)]