404156920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 1008599040

約数和(自身を除く): 604442120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 62, 74, 92, 115, 124, 148, 155, 184, 185, 230, 248, 296, 310, 370, 383, 460, 620, 713, 740, 766, 851, 920, 1147, 1240, 1426, 1480, 1532, 1702, 1915, 2294, 2852, 3064, 3404, 3565, 3830, 4255, 4588, 5704, 5735, 6808, 7130, 7660, 8510, 8809, 9176, 11470, 11873, 14171, 14260, 15320, 17020, 17618, 22940, 23746, 26381, 28342, 28520, 34040, 35236, 44045, 45880, 47492, 52762, 56684, 59365, 70472, 70855, 88090, 94984, 105524, 113368, 118730, 131905, 141710, 176180, 211048, 237460, 263810, 273079, 283420, 325933, 352360, 439301, 474920, 527620, 546158, 566840, 651866, 878602, 1055240, 1092316, 1303732, 1365395, 1629665, 1757204, 2184632, 2196505, 2607464, 2730790, 3259330, 3514408, 4393010, 5461580, 6518660, 8786020, 10103923, 10923160, 13037320, 17572040, 20207846, 40415692, 50519615, 80831384, 101039230, 202078460, 404156920]

約数ペア:

[(1, 404156920), (2, 202078460), (4, 101039230), (5, 80831384), (8, 50519615), (10, 40415692), (20, 20207846), (23, 17572040), (31, 13037320), (37, 10923160), (40, 10103923), (46, 8786020), (62, 6518660), (74, 5461580), (92, 4393010), (115, 3514408), (124, 3259330), (148, 2730790), (155, 2607464), (184, 2196505), (185, 2184632), (230, 1757204), (248, 1629665), (296, 1365395), (310, 1303732), (370, 1092316), (383, 1055240), (460, 878602), (620, 651866), (713, 566840), (740, 546158), (766, 527620), (851, 474920), (920, 439301), (1147, 352360), (1240, 325933), (1426, 283420), (1480, 273079), (1532, 263810), (1702, 237460), (1915, 211048), (2294, 176180), (2852, 141710), (3064, 131905), (3404, 118730), (3565, 113368), (3830, 105524), (4255, 94984), (4588, 88090), (5704, 70855), (5735, 70472), (6808, 59365), (7130, 56684), (7660, 52762), (8510, 47492), (8809, 45880), (9176, 44045), (11470, 35236), (11873, 34040), (14171, 28520), (14260, 28342), (15320, 26381), (17020, 23746), (17618, 22940)]