78770020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13723}}^1$

素因数の和:13780

約数の個数: 48

約数和(自身を含む): 193673088

約数和(自身を除く): 114903068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 13723, 27446, 54892, 68615, 96061, 137230, 192122, 274460, 384244, 480305, 562643, 960610, 1125286, 1921220, 2250572, 2813215, 3938501, 5626430, 7877002, 11252860, 15754004, 19692505, 39385010, 78770020]

約数ペア:

[(1, 78770020), (2, 39385010), (4, 19692505), (5, 15754004), (7, 11252860), (10, 7877002), (14, 5626430), (20, 3938501), (28, 2813215), (35, 2250572), (41, 1921220), (70, 1125286), (82, 960610), (140, 562643), (164, 480305), (205, 384244), (287, 274460), (410, 192122), (574, 137230), (820, 96061), (1148, 68615), (1435, 54892), (2870, 27446), (5740, 13723)]