405482980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170371}}^1$

素因数の和:170404

約数の個数: 48

約数和(自身を含む): 1030409856

約数和(自身を除く): 624926876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 170371, 340742, 681484, 851855, 1192597, 1703710, 2385194, 2896307, 3407420, 4770388, 5792614, 5962985, 11585228, 11925970, 14481535, 20274149, 23851940, 28963070, 40548298, 57926140, 81096596, 101370745, 202741490, 405482980]

約数ペア:

[(1, 405482980), (2, 202741490), (4, 101370745), (5, 81096596), (7, 57926140), (10, 40548298), (14, 28963070), (17, 23851940), (20, 20274149), (28, 14481535), (34, 11925970), (35, 11585228), (68, 5962985), (70, 5792614), (85, 4770388), (119, 3407420), (140, 2896307), (170, 2385194), (238, 1703710), (340, 1192597), (476, 851855), (595, 681484), (1190, 340742), (2380, 170371)]