22242220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 63814464

約数和(自身を除く): 41572244

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 101, 110, 121, 130, 140, 143, 154, 182, 202, 220, 242, 260, 286, 308, 364, 385, 404, 455, 484, 505, 572, 605, 707, 715, 770, 847, 910, 1001, 1010, 1111, 1210, 1313, 1414, 1430, 1540, 1573, 1694, 1820, 2002, 2020, 2222, 2420, 2626, 2828, 2860, 3146, 3388, 3535, 4004, 4235, 4444, 5005, 5252, 5555, 6292, 6565, 7070, 7777, 7865, 8470, 9191, 10010, 11011, 11110, 12221, 13130, 14140, 14443, 15554, 15730, 16940, 18382, 20020, 22022, 22220, 24442, 26260, 28886, 31108, 31460, 36764, 38885, 44044, 45955, 48884, 55055, 57772, 61105, 72215, 77770, 85547, 91910, 101101, 110110, 122210, 144430, 155540, 158873, 171094, 183820, 202202, 220220, 244420, 288860, 317746, 342188, 404404, 427735, 505505, 635492, 794365, 855470, 1011010, 1112111, 1588730, 1710940, 2022020, 2224222, 3177460, 4448444, 5560555, 11121110, 22242220]

約数ペア:

[(1, 22242220), (2, 11121110), (4, 5560555), (5, 4448444), (7, 3177460), (10, 2224222), (11, 2022020), (13, 1710940), (14, 1588730), (20, 1112111), (22, 1011010), (26, 855470), (28, 794365), (35, 635492), (44, 505505), (52, 427735), (55, 404404), (65, 342188), (70, 317746), (77, 288860), (91, 244420), (101, 220220), (110, 202202), (121, 183820), (130, 171094), (140, 158873), (143, 155540), (154, 144430), (182, 122210), (202, 110110), (220, 101101), (242, 91910), (260, 85547), (286, 77770), (308, 72215), (364, 61105), (385, 57772), (404, 55055), (455, 48884), (484, 45955), (505, 44044), (572, 38885), (605, 36764), (707, 31460), (715, 31108), (770, 28886), (847, 26260), (910, 24442), (1001, 22220), (1010, 22022), (1111, 20020), (1210, 18382), (1313, 16940), (1414, 15730), (1430, 15554), (1540, 14443), (1573, 14140), (1694, 13130), (1820, 12221), (2002, 11110), (2020, 11011), (2222, 10010), (2420, 9191), (2626, 8470), (2828, 7865), (2860, 7777), (3146, 7070), (3388, 6565), (3535, 6292), (4004, 5555), (4235, 5252), (4444, 5005)]