28897100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 67287360

約数和(自身を除く): 38390260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 67, 76, 95, 100, 134, 190, 227, 268, 335, 380, 454, 475, 670, 908, 950, 1135, 1273, 1340, 1675, 1900, 2270, 2546, 3350, 4313, 4540, 5092, 5675, 6365, 6700, 8626, 11350, 12730, 15209, 17252, 21565, 22700, 25460, 30418, 31825, 43130, 60836, 63650, 76045, 86260, 107825, 127300, 152090, 215650, 288971, 304180, 380225, 431300, 577942, 760450, 1155884, 1444855, 1520900, 2889710, 5779420, 7224275, 14448550, 28897100]

約数ペア:

[(1, 28897100), (2, 14448550), (4, 7224275), (5, 5779420), (10, 2889710), (19, 1520900), (20, 1444855), (25, 1155884), (38, 760450), (50, 577942), (67, 431300), (76, 380225), (95, 304180), (100, 288971), (134, 215650), (190, 152090), (227, 127300), (268, 107825), (335, 86260), (380, 76045), (454, 63650), (475, 60836), (670, 43130), (908, 31825), (950, 30418), (1135, 25460), (1273, 22700), (1340, 21565), (1675, 17252), (1900, 15209), (2270, 12730), (2546, 11350), (3350, 8626), (4313, 6700), (4540, 6365), (5092, 5675)]