16642780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 44416512

約数和(自身を除く): 27773732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 107, 110, 140, 154, 202, 214, 220, 308, 385, 404, 428, 505, 535, 707, 749, 770, 1010, 1070, 1111, 1177, 1414, 1498, 1540, 2020, 2140, 2222, 2354, 2828, 2996, 3535, 3745, 4444, 4708, 5555, 5885, 7070, 7490, 7777, 8239, 10807, 11110, 11770, 14140, 14980, 15554, 16478, 21614, 22220, 23540, 31108, 32956, 38885, 41195, 43228, 54035, 75649, 77770, 82390, 108070, 118877, 151298, 155540, 164780, 216140, 237754, 302596, 378245, 475508, 594385, 756490, 832139, 1188770, 1512980, 1664278, 2377540, 3328556, 4160695, 8321390, 16642780]

約数ペア:

[(1, 16642780), (2, 8321390), (4, 4160695), (5, 3328556), (7, 2377540), (10, 1664278), (11, 1512980), (14, 1188770), (20, 832139), (22, 756490), (28, 594385), (35, 475508), (44, 378245), (55, 302596), (70, 237754), (77, 216140), (101, 164780), (107, 155540), (110, 151298), (140, 118877), (154, 108070), (202, 82390), (214, 77770), (220, 75649), (308, 54035), (385, 43228), (404, 41195), (428, 38885), (505, 32956), (535, 31108), (707, 23540), (749, 22220), (770, 21614), (1010, 16478), (1070, 15554), (1111, 14980), (1177, 14140), (1414, 11770), (1498, 11110), (1540, 10807), (2020, 8239), (2140, 7777), (2222, 7490), (2354, 7070), (2828, 5885), (2996, 5555), (3535, 4708), (3745, 4444)]