2198140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2243}}^1$

素因数の和:2266

約数の個数: 36

約数和(自身を含む): 5372136

約数和(自身を除く): 3173996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2243, 4486, 8972, 11215, 15701, 22430, 31402, 44860, 62804, 78505, 109907, 157010, 219814, 314020, 439628, 549535, 1099070, 2198140]

約数ペア:

[(1, 2198140), (2, 1099070), (4, 549535), (5, 439628), (7, 314020), (10, 219814), (14, 157010), (20, 109907), (28, 78505), (35, 62804), (49, 44860), (70, 31402), (98, 22430), (140, 15701), (196, 11215), (245, 8972), (490, 4486), (980, 2243)]