28259770

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 65341728

約数和(自身を除く): 37081958

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 107, 110, 154, 214, 245, 343, 385, 490, 535, 539, 686, 749, 770, 1070, 1078, 1177, 1498, 1715, 2354, 2401, 2695, 3430, 3745, 3773, 4802, 5243, 5390, 5885, 7490, 7546, 8239, 10486, 11770, 12005, 16478, 18865, 24010, 26215, 26411, 36701, 37730, 41195, 52430, 52822, 57673, 73402, 82390, 115346, 132055, 183505, 256907, 264110, 288365, 367010, 403711, 513814, 576730, 807422, 1284535, 2018555, 2569070, 2825977, 4037110, 5651954, 14129885, 28259770]

約数ペア:

[(1, 28259770), (2, 14129885), (5, 5651954), (7, 4037110), (10, 2825977), (11, 2569070), (14, 2018555), (22, 1284535), (35, 807422), (49, 576730), (55, 513814), (70, 403711), (77, 367010), (98, 288365), (107, 264110), (110, 256907), (154, 183505), (214, 132055), (245, 115346), (343, 82390), (385, 73402), (490, 57673), (535, 52822), (539, 52430), (686, 41195), (749, 37730), (770, 36701), (1070, 26411), (1078, 26215), (1177, 24010), (1498, 18865), (1715, 16478), (2354, 12005), (2401, 11770), (2695, 10486), (3430, 8239), (3745, 7546), (3773, 7490), (4802, 5885), (5243, 5390)]