156738820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1153}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 376887168

約数和(自身を除く): 220148348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1153, 1942, 2306, 3884, 4612, 4855, 5765, 6797, 8071, 9710, 11530, 13594, 16142, 19420, 23060, 27188, 32284, 33985, 40355, 67970, 80710, 135940, 161420, 1119563, 2239126, 4478252, 5597815, 7836941, 11195630, 15673882, 22391260, 31347764, 39184705, 78369410, 156738820]

約数ペア:

[(1, 156738820), (2, 78369410), (4, 39184705), (5, 31347764), (7, 22391260), (10, 15673882), (14, 11195630), (20, 7836941), (28, 5597815), (35, 4478252), (70, 2239126), (140, 1119563), (971, 161420), (1153, 135940), (1942, 80710), (2306, 67970), (3884, 40355), (4612, 33985), (4855, 32284), (5765, 27188), (6797, 23060), (8071, 19420), (9710, 16142), (11530, 13594)]