68295220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 168116256

約数和(自身を除く): 99821036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 307, 454, 490, 614, 908, 980, 1135, 1228, 1535, 1589, 2149, 2270, 3070, 3178, 4298, 4540, 6140, 6356, 7945, 8596, 10745, 11123, 15043, 15890, 21490, 22246, 30086, 31780, 42980, 44492, 55615, 60172, 69689, 75215, 111230, 139378, 150430, 222460, 278756, 300860, 348445, 487823, 696890, 975646, 1393780, 1951292, 2439115, 3414761, 4878230, 6829522, 9756460, 13659044, 17073805, 34147610, 68295220]

約数ペア:

[(1, 68295220), (2, 34147610), (4, 17073805), (5, 13659044), (7, 9756460), (10, 6829522), (14, 4878230), (20, 3414761), (28, 2439115), (35, 1951292), (49, 1393780), (70, 975646), (98, 696890), (140, 487823), (196, 348445), (227, 300860), (245, 278756), (307, 222460), (454, 150430), (490, 139378), (614, 111230), (908, 75215), (980, 69689), (1135, 60172), (1228, 55615), (1535, 44492), (1589, 42980), (2149, 31780), (2270, 30086), (3070, 22246), (3178, 21490), (4298, 15890), (4540, 15043), (6140, 11123), (6356, 10745), (7945, 8596)]