18460987580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4157}}^1\times {\mathrm{31721}}^1$

素因数の和:35894

約数の個数: 48

約数和(自身を含む): 44318425536

約数和(自身を除く): 25857437956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4157, 8314, 16628, 20785, 29099, 31721, 41570, 58198, 63442, 83140, 116396, 126884, 145495, 158605, 222047, 290990, 317210, 444094, 581980, 634420, 888188, 1110235, 2220470, 4440940, 131864197, 263728394, 527456788, 659320985, 923049379, 1318641970, 1846098758, 2637283940, 3692197516, 4615246895, 9230493790, 18460987580]

約数ペア:

[(1, 18460987580), (2, 9230493790), (4, 4615246895), (5, 3692197516), (7, 2637283940), (10, 1846098758), (14, 1318641970), (20, 923049379), (28, 659320985), (35, 527456788), (70, 263728394), (140, 131864197), (4157, 4440940), (8314, 2220470), (16628, 1110235), (20785, 888188), (29099, 634420), (31721, 581980), (41570, 444094), (58198, 317210), (63442, 290990), (83140, 222047), (116396, 158605), (126884, 145495)]