377996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{726917}}^1$

素因数の和:726941

約数の個数: 32

約数和(自身を含む): 915916680

約数和(自身を除く): 537919840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 726917, 1453834, 2907668, 3634585, 5815336, 7269170, 9449921, 14538340, 18899842, 29076680, 37799684, 47249605, 75599368, 94499210, 188998420, 377996840]

約数ペア:

[(1, 377996840), (2, 188998420), (4, 94499210), (5, 75599368), (8, 47249605), (10, 37799684), (13, 29076680), (20, 18899842), (26, 14538340), (40, 9449921), (52, 7269170), (65, 5815336), (104, 3634585), (130, 2907668), (260, 1453834), (520, 726917)]