140721990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{16693}}^1$

素因数の和:16984

約数の個数: 32

約数和(自身を含む): 338954976

約数和(自身を除く): 198232986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2810, 4215, 8430, 16693, 33386, 50079, 83465, 100158, 166930, 250395, 500790, 4690733, 9381466, 14072199, 23453665, 28144398, 46907330, 70360995, 140721990]

約数ペア:

[(1, 140721990), (2, 70360995), (3, 46907330), (5, 28144398), (6, 23453665), (10, 14072199), (15, 9381466), (30, 4690733), (281, 500790), (562, 250395), (843, 166930), (1405, 100158), (1686, 83465), (2810, 50079), (4215, 33386), (8430, 16693)]