42570220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 108

約数和(自身を含む): 114624720

約数和(自身を除く): 72054500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 359, 385, 484, 490, 539, 605, 718, 770, 847, 980, 1078, 1210, 1436, 1540, 1694, 1795, 2156, 2420, 2513, 2695, 3388, 3590, 3949, 4235, 5026, 5390, 5929, 7180, 7898, 8470, 10052, 10780, 11858, 12565, 15796, 16940, 17591, 19745, 23716, 25130, 27643, 29645, 35182, 39490, 43439, 50260, 55286, 59290, 70364, 78980, 86878, 87955, 110572, 118580, 138215, 173756, 175910, 193501, 217195, 276430, 304073, 351820, 387002, 434390, 552860, 608146, 774004, 868780, 967505, 1216292, 1520365, 1935010, 2128511, 3040730, 3870020, 4257022, 6081460, 8514044, 10642555, 21285110, 42570220]

約数ペア:

[(1, 42570220), (2, 21285110), (4, 10642555), (5, 8514044), (7, 6081460), (10, 4257022), (11, 3870020), (14, 3040730), (20, 2128511), (22, 1935010), (28, 1520365), (35, 1216292), (44, 967505), (49, 868780), (55, 774004), (70, 608146), (77, 552860), (98, 434390), (110, 387002), (121, 351820), (140, 304073), (154, 276430), (196, 217195), (220, 193501), (242, 175910), (245, 173756), (308, 138215), (359, 118580), (385, 110572), (484, 87955), (490, 86878), (539, 78980), (605, 70364), (718, 59290), (770, 55286), (847, 50260), (980, 43439), (1078, 39490), (1210, 35182), (1436, 29645), (1540, 27643), (1694, 25130), (1795, 23716), (2156, 19745), (2420, 17591), (2513, 16940), (2695, 15796), (3388, 12565), (3590, 11858), (3949, 10780), (4235, 10052), (5026, 8470), (5390, 7898), (5929, 7180)]