19492500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 59830848

約数和(自身を除く): 40338348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 113, 115, 125, 138, 150, 226, 230, 250, 276, 300, 339, 345, 375, 452, 460, 500, 565, 575, 625, 678, 690, 750, 1130, 1150, 1250, 1356, 1380, 1500, 1695, 1725, 1875, 2260, 2300, 2500, 2599, 2825, 2875, 3390, 3450, 3750, 5198, 5650, 5750, 6780, 6900, 7500, 7797, 8475, 8625, 10396, 11300, 11500, 12995, 14125, 14375, 15594, 16950, 17250, 25990, 28250, 28750, 31188, 33900, 34500, 38985, 42375, 43125, 51980, 56500, 57500, 64975, 70625, 77970, 84750, 86250, 129950, 141250, 155940, 169500, 172500, 194925, 211875, 259900, 282500, 324875, 389850, 423750, 649750, 779700, 847500, 974625, 1299500, 1624375, 1949250, 3248750, 3898500, 4873125, 6497500, 9746250, 19492500]

約数ペア:

[(1, 19492500), (2, 9746250), (3, 6497500), (4, 4873125), (5, 3898500), (6, 3248750), (10, 1949250), (12, 1624375), (15, 1299500), (20, 974625), (23, 847500), (25, 779700), (30, 649750), (46, 423750), (50, 389850), (60, 324875), (69, 282500), (75, 259900), (92, 211875), (100, 194925), (113, 172500), (115, 169500), (125, 155940), (138, 141250), (150, 129950), (226, 86250), (230, 84750), (250, 77970), (276, 70625), (300, 64975), (339, 57500), (345, 56500), (375, 51980), (452, 43125), (460, 42375), (500, 38985), (565, 34500), (575, 33900), (625, 31188), (678, 28750), (690, 28250), (750, 25990), (1130, 17250), (1150, 16950), (1250, 15594), (1356, 14375), (1380, 14125), (1500, 12995), (1695, 11500), (1725, 11300), (1875, 10396), (2260, 8625), (2300, 8475), (2500, 7797), (2599, 7500), (2825, 6900), (2875, 6780), (3390, 5750), (3450, 5650), (3750, 5198)]