90809740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4919

約数の個数: 72

約数和(自身を含む): 233558640

約数和(自身を除く): 142748900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 4877, 9310, 9754, 18620, 19508, 24385, 34139, 48770, 68278, 92663, 97540, 136556, 170695, 185326, 238973, 341390, 370652, 463315, 477946, 648641, 682780, 926630, 955892, 1194865, 1297282, 1853260, 2389730, 2594564, 3243205, 4540487, 4779460, 6486410, 9080974, 12972820, 18161948, 22702435, 45404870, 90809740]

約数ペア:

[(1, 90809740), (2, 45404870), (4, 22702435), (5, 18161948), (7, 12972820), (10, 9080974), (14, 6486410), (19, 4779460), (20, 4540487), (28, 3243205), (35, 2594564), (38, 2389730), (49, 1853260), (70, 1297282), (76, 1194865), (95, 955892), (98, 926630), (133, 682780), (140, 648641), (190, 477946), (196, 463315), (245, 370652), (266, 341390), (380, 238973), (490, 185326), (532, 170695), (665, 136556), (931, 97540), (980, 92663), (1330, 68278), (1862, 48770), (2660, 34139), (3724, 24385), (4655, 19508), (4877, 18620), (9310, 9754)]