204521200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1131

約数の個数: 120

約数和(自身を含む): 543972128

約数和(自身を除く): 339450928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 37, 40, 50, 52, 65, 74, 80, 100, 104, 130, 148, 185, 200, 208, 260, 296, 325, 370, 400, 481, 520, 592, 650, 740, 925, 962, 1040, 1063, 1300, 1480, 1850, 1924, 2126, 2405, 2600, 2960, 3700, 3848, 4252, 4810, 5200, 5315, 7400, 7696, 8504, 9620, 10630, 12025, 13819, 14800, 17008, 19240, 21260, 24050, 26575, 27638, 38480, 39331, 42520, 48100, 53150, 55276, 69095, 78662, 85040, 96200, 106300, 110552, 138190, 157324, 192400, 196655, 212600, 221104, 276380, 314648, 345475, 393310, 425200, 511303, 552760, 629296, 690950, 786620, 983275, 1022606, 1105520, 1381900, 1573240, 1966550, 2045212, 2556515, 2763800, 3146480, 3933100, 4090424, 5113030, 5527600, 7866200, 8180848, 10226060, 12782575, 15732400, 20452120, 25565150, 40904240, 51130300, 102260600, 204521200]

約数ペア:

[(1, 204521200), (2, 102260600), (4, 51130300), (5, 40904240), (8, 25565150), (10, 20452120), (13, 15732400), (16, 12782575), (20, 10226060), (25, 8180848), (26, 7866200), (37, 5527600), (40, 5113030), (50, 4090424), (52, 3933100), (65, 3146480), (74, 2763800), (80, 2556515), (100, 2045212), (104, 1966550), (130, 1573240), (148, 1381900), (185, 1105520), (200, 1022606), (208, 983275), (260, 786620), (296, 690950), (325, 629296), (370, 552760), (400, 511303), (481, 425200), (520, 393310), (592, 345475), (650, 314648), (740, 276380), (925, 221104), (962, 212600), (1040, 196655), (1063, 192400), (1300, 157324), (1480, 138190), (1850, 110552), (1924, 106300), (2126, 96200), (2405, 85040), (2600, 78662), (2960, 69095), (3700, 55276), (3848, 53150), (4252, 48100), (4810, 42520), (5200, 39331), (5315, 38480), (7400, 27638), (7696, 26575), (8504, 24050), (9620, 21260), (10630, 19240), (12025, 17008), (13819, 14800)]