353343380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71527}}^1$

素因数の和:71568

約数の個数: 48

約数和(自身を含む): 841169280

約数和(自身を除く): 487825900

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, 71527, 143054, 286108, 357635, 715270, 929851, 1359013, 1430540, 1859702, 2718026, 3719404, 4649255, 5436052, 6795065, 9298510, 13590130, 17667169, 18597020, 27180260, 35334338, 70668676, 88335845, 176671690, 353343380]

約数ペア:

[(1, 353343380), (2, 176671690), (4, 88335845), (5, 70668676), (10, 35334338), (13, 27180260), (19, 18597020), (20, 17667169), (26, 13590130), (38, 9298510), (52, 6795065), (65, 5436052), (76, 4649255), (95, 3719404), (130, 2718026), (190, 1859702), (247, 1430540), (260, 1359013), (380, 929851), (494, 715270), (988, 357635), (1235, 286108), (2470, 143054), (4940, 71527)]