304038140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{310243}}^1$

素因数の和:310266

約数の個数: 36

約数和(自身を含む): 742724136

約数和(自身を除く): 438685996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 310243, 620486, 1240972, 1551215, 2171701, 3102430, 4343402, 6204860, 8686804, 10858505, 15201907, 21717010, 30403814, 43434020, 60807628, 76009535, 152019070, 304038140]

約数ペア:

[(1, 304038140), (2, 152019070), (4, 76009535), (5, 60807628), (7, 43434020), (10, 30403814), (14, 21717010), (20, 15201907), (28, 10858505), (35, 8686804), (49, 6204860), (70, 4343402), (98, 3102430), (140, 2171701), (196, 1551215), (245, 1240972), (490, 620486), (980, 310243)]