142455820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7717}}^1$

素因数の和:7810

約数の個数: 48

約数和(自身を含む): 326749248

約数和(自身を除く): 184293428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 7717, 9230, 15434, 18460, 30868, 38585, 77170, 100321, 154340, 200642, 401284, 501605, 547907, 1003210, 1095814, 2006420, 2191628, 2739535, 5479070, 7122791, 10958140, 14245582, 28491164, 35613955, 71227910, 142455820]

約数ペア:

[(1, 142455820), (2, 71227910), (4, 35613955), (5, 28491164), (10, 14245582), (13, 10958140), (20, 7122791), (26, 5479070), (52, 2739535), (65, 2191628), (71, 2006420), (130, 1095814), (142, 1003210), (260, 547907), (284, 501605), (355, 401284), (710, 200642), (923, 154340), (1420, 100321), (1846, 77170), (3692, 38585), (4615, 30868), (7717, 18460), (9230, 15434)]