28973480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 69768000

約数和(自身を除く): 40794520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 569, 670, 760, 1138, 1273, 1340, 2276, 2546, 2680, 2845, 4552, 5092, 5690, 6365, 10184, 10811, 11380, 12730, 21622, 22760, 25460, 38123, 43244, 50920, 54055, 76246, 86488, 108110, 152492, 190615, 216220, 304984, 381230, 432440, 724337, 762460, 1448674, 1524920, 2897348, 3621685, 5794696, 7243370, 14486740, 28973480]

約数ペア:

[(1, 28973480), (2, 14486740), (4, 7243370), (5, 5794696), (8, 3621685), (10, 2897348), (19, 1524920), (20, 1448674), (38, 762460), (40, 724337), (67, 432440), (76, 381230), (95, 304984), (134, 216220), (152, 190615), (190, 152492), (268, 108110), (335, 86488), (380, 76246), (536, 54055), (569, 50920), (670, 43244), (760, 38123), (1138, 25460), (1273, 22760), (1340, 21622), (2276, 12730), (2546, 11380), (2680, 10811), (2845, 10184), (4552, 6365), (5092, 5690)]