329138840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 756725760

約数和(自身を除く): 427586920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 191, 268, 335, 382, 536, 643, 670, 764, 955, 1286, 1340, 1528, 1910, 2572, 2680, 3215, 3820, 5144, 6430, 7640, 12797, 12860, 25594, 25720, 43081, 51188, 63985, 86162, 102376, 122813, 127970, 172324, 215405, 245626, 255940, 344648, 430810, 491252, 511880, 614065, 861620, 982504, 1228130, 1723240, 2456260, 4912520, 8228471, 16456942, 32913884, 41142355, 65827768, 82284710, 164569420, 329138840]

約数ペア:

[(1, 329138840), (2, 164569420), (4, 82284710), (5, 65827768), (8, 41142355), (10, 32913884), (20, 16456942), (40, 8228471), (67, 4912520), (134, 2456260), (191, 1723240), (268, 1228130), (335, 982504), (382, 861620), (536, 614065), (643, 511880), (670, 491252), (764, 430810), (955, 344648), (1286, 255940), (1340, 245626), (1528, 215405), (1910, 172324), (2572, 127970), (2680, 122813), (3215, 102376), (3820, 86162), (5144, 63985), (6430, 51188), (7640, 43081), (12797, 25720), (12860, 25594)]