682792460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2711}}^1$

素因数の和:2991

約数の個数: 72

約数和(自身を含む): 1675072224

約数和(自身を除く): 992279764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 980, 1028, 1285, 1799, 2570, 2711, 3598, 5140, 5422, 7196, 8995, 10844, 12593, 13555, 17990, 18977, 25186, 27110, 35980, 37954, 50372, 54220, 62965, 75908, 94885, 125930, 132839, 189770, 251860, 265678, 379540, 531356, 664195, 696727, 1328390, 1393454, 2656780, 2786908, 3483635, 4877089, 6967270, 9754178, 13934540, 19508356, 24385445, 34139623, 48770890, 68279246, 97541780, 136558492, 170698115, 341396230, 682792460]

約数ペア:

[(1, 682792460), (2, 341396230), (4, 170698115), (5, 136558492), (7, 97541780), (10, 68279246), (14, 48770890), (20, 34139623), (28, 24385445), (35, 19508356), (49, 13934540), (70, 9754178), (98, 6967270), (140, 4877089), (196, 3483635), (245, 2786908), (257, 2656780), (490, 1393454), (514, 1328390), (980, 696727), (1028, 664195), (1285, 531356), (1799, 379540), (2570, 265678), (2711, 251860), (3598, 189770), (5140, 132839), (5422, 125930), (7196, 94885), (8995, 75908), (10844, 62965), (12593, 54220), (13555, 50372), (17990, 37954), (18977, 35980), (25186, 27110)]