810945100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:848

約数の個数: 108

約数和(自身を含む): 2057212080

約数和(自身を除く): 1246266980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 359, 461, 490, 700, 718, 922, 980, 1225, 1436, 1795, 1844, 2305, 2450, 2513, 3227, 3590, 4610, 4900, 5026, 6454, 7180, 8975, 9220, 10052, 11525, 12565, 12908, 16135, 17591, 17950, 22589, 23050, 25130, 32270, 35182, 35900, 45178, 46100, 50260, 62825, 64540, 70364, 80675, 87955, 90356, 112945, 125650, 161350, 165499, 175910, 225890, 251300, 322700, 330998, 351820, 439775, 451780, 564725, 661996, 827495, 879550, 1129450, 1158493, 1654990, 1759100, 2258900, 2316986, 3309980, 4137475, 4633972, 5792465, 8109451, 8274950, 11584930, 16218902, 16549900, 23169860, 28962325, 32437804, 40547255, 57924650, 81094510, 115849300, 162189020, 202736275, 405472550, 810945100]

約数ペア:

[(1, 810945100), (2, 405472550), (4, 202736275), (5, 162189020), (7, 115849300), (10, 81094510), (14, 57924650), (20, 40547255), (25, 32437804), (28, 28962325), (35, 23169860), (49, 16549900), (50, 16218902), (70, 11584930), (98, 8274950), (100, 8109451), (140, 5792465), (175, 4633972), (196, 4137475), (245, 3309980), (350, 2316986), (359, 2258900), (461, 1759100), (490, 1654990), (700, 1158493), (718, 1129450), (922, 879550), (980, 827495), (1225, 661996), (1436, 564725), (1795, 451780), (1844, 439775), (2305, 351820), (2450, 330998), (2513, 322700), (3227, 251300), (3590, 225890), (4610, 175910), (4900, 165499), (5026, 161350), (6454, 125650), (7180, 112945), (8975, 90356), (9220, 87955), (10052, 80675), (11525, 70364), (12565, 64540), (12908, 62825), (16135, 50260), (17591, 46100), (17950, 45178), (22589, 35900), (23050, 35182), (25130, 32270)]