199911900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{16253}}^1$

素因数の和:16311

約数の個数: 72

約数和(自身を含む): 592555824

約数和(自身を除く): 392643924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 2050, 2460, 3075, 4100, 6150, 12300, 16253, 32506, 48759, 65012, 81265, 97518, 162530, 195036, 243795, 325060, 406325, 487590, 666373, 812650, 975180, 1218975, 1332746, 1625300, 1999119, 2437950, 2665492, 3331865, 3998238, 4875900, 6663730, 7996476, 9995595, 13327460, 16659325, 19991190, 33318650, 39982380, 49977975, 66637300, 99955950, 199911900]

約数ペア:

[(1, 199911900), (2, 99955950), (3, 66637300), (4, 49977975), (5, 39982380), (6, 33318650), (10, 19991190), (12, 16659325), (15, 13327460), (20, 9995595), (25, 7996476), (30, 6663730), (41, 4875900), (50, 3998238), (60, 3331865), (75, 2665492), (82, 2437950), (100, 1999119), (123, 1625300), (150, 1332746), (164, 1218975), (205, 975180), (246, 812650), (300, 666373), (410, 487590), (492, 406325), (615, 325060), (820, 243795), (1025, 195036), (1230, 162530), (2050, 97518), (2460, 81265), (3075, 65012), (4100, 48759), (6150, 32506), (12300, 16253)]