245667080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 570326400

約数和(自身を除く): 324659320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 652, 815, 820, 919, 1304, 1630, 1640, 1838, 3260, 3676, 4595, 6520, 6683, 7352, 9190, 13366, 18380, 26732, 33415, 36760, 37679, 53464, 66830, 75358, 133660, 149797, 150716, 188395, 267320, 299594, 301432, 376790, 599188, 748985, 753580, 1198376, 1497970, 1507160, 2995940, 5991880, 6141677, 12283354, 24566708, 30708385, 49133416, 61416770, 122833540, 245667080]

約数ペア:

[(1, 245667080), (2, 122833540), (4, 61416770), (5, 49133416), (8, 30708385), (10, 24566708), (20, 12283354), (40, 6141677), (41, 5991880), (82, 2995940), (163, 1507160), (164, 1497970), (205, 1198376), (326, 753580), (328, 748985), (410, 599188), (652, 376790), (815, 301432), (820, 299594), (919, 267320), (1304, 188395), (1630, 150716), (1640, 149797), (1838, 133660), (3260, 75358), (3676, 66830), (4595, 53464), (6520, 37679), (6683, 36760), (7352, 33415), (9190, 26732), (13366, 18380)]