87458330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 85514470

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 103, 109, 190, 205, 206, 218, 410, 515, 545, 779, 1030, 1090, 1558, 1957, 2071, 3895, 3914, 4142, 4223, 4469, 7790, 8446, 8938, 9785, 10355, 11227, 19570, 20710, 21115, 22345, 22454, 42230, 44690, 56135, 80237, 84911, 112270, 160474, 169822, 213313, 401185, 424555, 426626, 460307, 802370, 849110, 920614, 1066565, 2133130, 2301535, 4603070, 8745833, 17491666, 43729165, 87458330]

約数ペア:

[(1, 87458330), (2, 43729165), (5, 17491666), (10, 8745833), (19, 4603070), (38, 2301535), (41, 2133130), (82, 1066565), (95, 920614), (103, 849110), (109, 802370), (190, 460307), (205, 426626), (206, 424555), (218, 401185), (410, 213313), (515, 169822), (545, 160474), (779, 112270), (1030, 84911), (1090, 80237), (1558, 56135), (1957, 44690), (2071, 42230), (3895, 22454), (3914, 22345), (4142, 21115), (4223, 20710), (4469, 19570), (7790, 11227), (8446, 10355), (8938, 9785)]