285026140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41549}}^1$

素因数の和:41579

約数の個数: 48

約数和(自身を含む): 698040000

約数和(自身を除く): 413013860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 41549, 83098, 166196, 207745, 290843, 415490, 581686, 830980, 1163372, 1454215, 2035901, 2908430, 4071802, 5816860, 8143604, 10179505, 14251307, 20359010, 28502614, 40718020, 57005228, 71256535, 142513070, 285026140]

約数ペア:

[(1, 285026140), (2, 142513070), (4, 71256535), (5, 57005228), (7, 40718020), (10, 28502614), (14, 20359010), (20, 14251307), (28, 10179505), (35, 8143604), (49, 5816860), (70, 4071802), (98, 2908430), (140, 2035901), (196, 1454215), (245, 1163372), (343, 830980), (490, 581686), (686, 415490), (980, 290843), (1372, 207745), (1715, 166196), (3430, 83098), (6860, 41549)]