2830501660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67169}}^1$

素因数の和:67235

約数の個数: 72

約数和(自身を含む): 7075419120

約数和(自身を除く): 4244917460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 67169, 134338, 268676, 335845, 470183, 671690, 940366, 1343380, 1880732, 2350915, 2888267, 3291281, 4701830, 5776534, 6582562, 9403660, 11553068, 13165124, 14441335, 16456405, 20217869, 28882670, 32912810, 40435738, 57765340, 65825620, 80871476, 101089345, 141525083, 202178690, 283050166, 404357380, 566100332, 707625415, 1415250830, 2830501660]

約数ペア:

[(1, 2830501660), (2, 1415250830), (4, 707625415), (5, 566100332), (7, 404357380), (10, 283050166), (14, 202178690), (20, 141525083), (28, 101089345), (35, 80871476), (43, 65825620), (49, 57765340), (70, 40435738), (86, 32912810), (98, 28882670), (140, 20217869), (172, 16456405), (196, 14441335), (215, 13165124), (245, 11553068), (301, 9403660), (430, 6582562), (490, 5776534), (602, 4701830), (860, 3291281), (980, 2888267), (1204, 2350915), (1505, 1880732), (2107, 1343380), (3010, 940366), (4214, 671690), (6020, 470183), (8428, 335845), (10535, 268676), (21070, 134338), (42140, 67169)]