2173980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 6410880

約数和(自身を除く): 4236900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1907, 3814, 5721, 7628, 9535, 11442, 19070, 22884, 28605, 36233, 38140, 57210, 72466, 108699, 114420, 144932, 181165, 217398, 362330, 434796, 543495, 724660, 1086990, 2173980]

約数ペア:

[(1, 2173980), (2, 1086990), (3, 724660), (4, 543495), (5, 434796), (6, 362330), (10, 217398), (12, 181165), (15, 144932), (19, 114420), (20, 108699), (30, 72466), (38, 57210), (57, 38140), (60, 36233), (76, 28605), (95, 22884), (114, 19070), (190, 11442), (228, 9535), (285, 7628), (380, 5721), (570, 3814), (1140, 1907)]