220181390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 470292480

約数和(自身を除く): 250111090

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 143, 214, 286, 535, 715, 1070, 1177, 1391, 1430, 1439, 2354, 2782, 2878, 5885, 6955, 7195, 11770, 13910, 14390, 15301, 15829, 18707, 30602, 31658, 37414, 76505, 79145, 93535, 153010, 153973, 158290, 187070, 205777, 307946, 411554, 769865, 1028885, 1539730, 1693703, 2001649, 2057770, 3387406, 4003298, 8468515, 10008245, 16937030, 20016490, 22018139, 44036278, 110090695, 220181390]

約数ペア:

[(1, 220181390), (2, 110090695), (5, 44036278), (10, 22018139), (11, 20016490), (13, 16937030), (22, 10008245), (26, 8468515), (55, 4003298), (65, 3387406), (107, 2057770), (110, 2001649), (130, 1693703), (143, 1539730), (214, 1028885), (286, 769865), (535, 411554), (715, 307946), (1070, 205777), (1177, 187070), (1391, 158290), (1430, 153973), (1439, 153010), (2354, 93535), (2782, 79145), (2878, 76505), (5885, 37414), (6955, 31658), (7195, 30602), (11770, 18707), (13910, 15829), (14390, 15301)]