394420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 938448

約数和(自身を除く): 544028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 41, 52, 65, 74, 82, 130, 148, 164, 185, 205, 260, 370, 410, 481, 533, 740, 820, 962, 1066, 1517, 1924, 2132, 2405, 2665, 3034, 4810, 5330, 6068, 7585, 9620, 10660, 15170, 19721, 30340, 39442, 78884, 98605, 197210, 394420]

約数ペア:

[(1, 394420), (2, 197210), (4, 98605), (5, 78884), (10, 39442), (13, 30340), (20, 19721), (26, 15170), (37, 10660), (41, 9620), (52, 7585), (65, 6068), (74, 5330), (82, 4810), (130, 3034), (148, 2665), (164, 2405), (185, 2132), (205, 1924), (260, 1517), (370, 1066), (410, 962), (481, 820), (533, 740)]