125919220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{128489}}^1$

素因数の和:128512

約数の個数: 36

約数和(自身を含む): 307605060

約数和(自身を除く): 181685840

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 128489, 256978, 513956, 642445, 899423, 1284890, 1798846, 2569780, 3597692, 4497115, 6295961, 8994230, 12591922, 17988460, 25183844, 31479805, 62959610, 125919220]

約数ペア:

[(1, 125919220), (2, 62959610), (4, 31479805), (5, 25183844), (7, 17988460), (10, 12591922), (14, 8994230), (20, 6295961), (28, 4497115), (35, 3597692), (49, 2569780), (70, 1798846), (98, 1284890), (140, 899423), (196, 642445), (245, 513956), (490, 256978), (980, 128489)]