297968020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{304049}}^1$

素因数の和:304072

約数の個数: 36

約数和(自身を含む): 727895700

約数和(自身を除く): 429927680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 304049, 608098, 1216196, 1520245, 2128343, 3040490, 4256686, 6080980, 8513372, 10641715, 14898401, 21283430, 29796802, 42566860, 59593604, 74492005, 148984010, 297968020]

約数ペア:

[(1, 297968020), (2, 148984010), (4, 74492005), (5, 59593604), (7, 42566860), (10, 29796802), (14, 21283430), (20, 14898401), (28, 10641715), (35, 8513372), (49, 6080980), (70, 4256686), (98, 3040490), (140, 2128343), (196, 1520245), (245, 1216196), (490, 608098), (980, 304049)]