531427540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{12611}}^1$

素因数の和:12677

約数の個数: 72

約数和(自身を含む): 1328497632

約数和(自身を除く): 797070092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 12611, 21070, 25222, 42140, 50444, 63055, 88277, 126110, 176554, 252220, 353108, 441385, 542273, 617939, 882770, 1084546, 1235878, 1765540, 2169092, 2471756, 2711365, 3089695, 3795911, 5422730, 6179390, 7591822, 10845460, 12358780, 15183644, 18979555, 26571377, 37959110, 53142754, 75918220, 106285508, 132856885, 265713770, 531427540]

約数ペア:

[(1, 531427540), (2, 265713770), (4, 132856885), (5, 106285508), (7, 75918220), (10, 53142754), (14, 37959110), (20, 26571377), (28, 18979555), (35, 15183644), (43, 12358780), (49, 10845460), (70, 7591822), (86, 6179390), (98, 5422730), (140, 3795911), (172, 3089695), (196, 2711365), (215, 2471756), (245, 2169092), (301, 1765540), (430, 1235878), (490, 1084546), (602, 882770), (860, 617939), (980, 542273), (1204, 441385), (1505, 353108), (2107, 252220), (3010, 176554), (4214, 126110), (6020, 88277), (8428, 63055), (10535, 50444), (12611, 42140), (21070, 25222)]