209489520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37951}}^1$

素因数の和:37990

約数の個数: 80

約数和(自身を含む): 677670912

約数和(自身を除く): 468181392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 37951, 75902, 113853, 151804, 189755, 227706, 303608, 379510, 455412, 569265, 607216, 759020, 872873, 910824, 1138530, 1518040, 1745746, 1821648, 2277060, 2618619, 3036080, 3491492, 4364365, 4554120, 5237238, 6982984, 8728730, 9108240, 10474476, 13093095, 13965968, 17457460, 20948952, 26186190, 34914920, 41897904, 52372380, 69829840, 104744760, 209489520]

約数ペア:

[(1, 209489520), (2, 104744760), (3, 69829840), (4, 52372380), (5, 41897904), (6, 34914920), (8, 26186190), (10, 20948952), (12, 17457460), (15, 13965968), (16, 13093095), (20, 10474476), (23, 9108240), (24, 8728730), (30, 6982984), (40, 5237238), (46, 4554120), (48, 4364365), (60, 3491492), (69, 3036080), (80, 2618619), (92, 2277060), (115, 1821648), (120, 1745746), (138, 1518040), (184, 1138530), (230, 910824), (240, 872873), (276, 759020), (345, 607216), (368, 569265), (460, 455412), (552, 379510), (690, 303608), (920, 227706), (1104, 189755), (1380, 151804), (1840, 113853), (2760, 75902), (5520, 37951)]