309654020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{62683}}^1$

素因数の和:62724

約数の個数: 48

約数和(自身を含む): 737163840

約数和(自身を除く): 427509820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 62683, 125366, 250732, 313415, 626830, 814879, 1190977, 1253660, 1629758, 2381954, 3259516, 4074395, 4763908, 5954885, 8148790, 11909770, 15482701, 16297580, 23819540, 30965402, 61930804, 77413505, 154827010, 309654020]

約数ペア:

[(1, 309654020), (2, 154827010), (4, 77413505), (5, 61930804), (10, 30965402), (13, 23819540), (19, 16297580), (20, 15482701), (26, 11909770), (38, 8148790), (52, 5954885), (65, 4763908), (76, 4074395), (95, 3259516), (130, 2381954), (190, 1629758), (247, 1253660), (260, 1190977), (380, 814879), (494, 626830), (988, 313415), (1235, 250732), (2470, 125366), (4940, 62683)]