31276090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 34353350

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 421, 437, 646, 782, 842, 874, 1615, 1955, 2105, 2185, 3230, 3910, 4210, 4370, 7157, 7429, 7999, 9683, 14314, 14858, 15998, 19366, 35785, 37145, 39995, 48415, 71570, 74290, 79990, 96830, 135983, 164611, 183977, 271966, 329222, 367954, 679915, 823055, 919885, 1359830, 1646110, 1839770, 3127609, 6255218, 15638045, 31276090]

約数ペア:

[(1, 31276090), (2, 15638045), (5, 6255218), (10, 3127609), (17, 1839770), (19, 1646110), (23, 1359830), (34, 919885), (38, 823055), (46, 679915), (85, 367954), (95, 329222), (115, 271966), (170, 183977), (190, 164611), (230, 135983), (323, 96830), (391, 79990), (421, 74290), (437, 71570), (646, 48415), (782, 39995), (842, 37145), (874, 35785), (1615, 19366), (1955, 15998), (2105, 14858), (2185, 14314), (3230, 9683), (3910, 7999), (4210, 7429), (4370, 7157)]