1604740

素因数分解:

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

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2064380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 103, 164, 190, 205, 206, 380, 410, 412, 515, 779, 820, 1030, 1558, 1957, 2060, 3116, 3895, 3914, 4223, 7790, 7828, 8446, 9785, 15580, 16892, 19570, 21115, 39140, 42230, 80237, 84460, 160474, 320948, 401185, 802370, 1604740]

約数ペア:

[(1, 1604740), (2, 802370), (4, 401185), (5, 320948), (10, 160474), (19, 84460), (20, 80237), (38, 42230), (41, 39140), (76, 21115), (82, 19570), (95, 16892), (103, 15580), (164, 9785), (190, 8446), (205, 7828), (206, 7790), (380, 4223), (410, 3914), (412, 3895), (515, 3116), (779, 2060), (820, 1957), (1030, 1558)]