99142760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 64

約数和(自身を含む): 238161600

約数和(自身を除く): 139018840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 1787, 2774, 2920, 3574, 5548, 6935, 7148, 8935, 11096, 13870, 14296, 17870, 27740, 33953, 35740, 55480, 67906, 71480, 130451, 135812, 169765, 260902, 271624, 339530, 521804, 652255, 679060, 1043608, 1304510, 1358120, 2478569, 2609020, 4957138, 5218040, 9914276, 12392845, 19828552, 24785690, 49571380, 99142760]

約数ペア:

[(1, 99142760), (2, 49571380), (4, 24785690), (5, 19828552), (8, 12392845), (10, 9914276), (19, 5218040), (20, 4957138), (38, 2609020), (40, 2478569), (73, 1358120), (76, 1304510), (95, 1043608), (146, 679060), (152, 652255), (190, 521804), (292, 339530), (365, 271624), (380, 260902), (584, 169765), (730, 135812), (760, 130451), (1387, 71480), (1460, 67906), (1787, 55480), (2774, 35740), (2920, 33953), (3574, 27740), (5548, 17870), (6935, 14296), (7148, 13870), (8935, 11096)]