149747480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 354412800

約数和(自身を除く): 204665320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1171, 1390, 2342, 2780, 3197, 4684, 5560, 5855, 6394, 9368, 11710, 12788, 15985, 23420, 25576, 26933, 31970, 46840, 53866, 63940, 107732, 127880, 134665, 162769, 215464, 269330, 325538, 538660, 651076, 813845, 1077320, 1302152, 1627690, 3255380, 3743687, 6510760, 7487374, 14974748, 18718435, 29949496, 37436870, 74873740, 149747480]

約数ペア:

[(1, 149747480), (2, 74873740), (4, 37436870), (5, 29949496), (8, 18718435), (10, 14974748), (20, 7487374), (23, 6510760), (40, 3743687), (46, 3255380), (92, 1627690), (115, 1302152), (139, 1077320), (184, 813845), (230, 651076), (278, 538660), (460, 325538), (556, 269330), (695, 215464), (920, 162769), (1112, 134665), (1171, 127880), (1390, 107732), (2342, 63940), (2780, 53866), (3197, 46840), (4684, 31970), (5560, 26933), (5855, 25576), (6394, 23420), (9368, 15985), (11710, 12788)]