28198000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 80

約数和(自身を含む): 71263296

約数和(自身を除く): 43065296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 613, 920, 1000, 1150, 1226, 1840, 2000, 2300, 2452, 2875, 3065, 4600, 4904, 5750, 6130, 9200, 9808, 11500, 12260, 14099, 15325, 23000, 24520, 28198, 30650, 46000, 49040, 56396, 61300, 70495, 76625, 112792, 122600, 140990, 153250, 225584, 245200, 281980, 306500, 352475, 563960, 613000, 704950, 1127920, 1226000, 1409900, 1762375, 2819800, 3524750, 5639600, 7049500, 14099000, 28198000]

約数ペア:

[(1, 28198000), (2, 14099000), (4, 7049500), (5, 5639600), (8, 3524750), (10, 2819800), (16, 1762375), (20, 1409900), (23, 1226000), (25, 1127920), (40, 704950), (46, 613000), (50, 563960), (80, 352475), (92, 306500), (100, 281980), (115, 245200), (125, 225584), (184, 153250), (200, 140990), (230, 122600), (250, 112792), (368, 76625), (400, 70495), (460, 61300), (500, 56396), (575, 49040), (613, 46000), (920, 30650), (1000, 28198), (1150, 24520), (1226, 23000), (1840, 15325), (2000, 14099), (2300, 12260), (2452, 11500), (2875, 9808), (3065, 9200), (4600, 6130), (4904, 5750)]