70870000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 100

約数和(自身を含む): 181098280

約数和(自身を除く): 110228280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 373, 380, 400, 475, 500, 625, 746, 760, 950, 1000, 1250, 1492, 1520, 1865, 1900, 2000, 2375, 2500, 2984, 3730, 3800, 4750, 5000, 5968, 7087, 7460, 7600, 9325, 9500, 10000, 11875, 14174, 14920, 18650, 19000, 23750, 28348, 29840, 35435, 37300, 38000, 46625, 47500, 56696, 70870, 74600, 93250, 95000, 113392, 141740, 149200, 177175, 186500, 190000, 233125, 283480, 354350, 373000, 466250, 566960, 708700, 746000, 885875, 932500, 1417400, 1771750, 1865000, 2834800, 3543500, 3730000, 4429375, 7087000, 8858750, 14174000, 17717500, 35435000, 70870000]

約数ペア:

[(1, 70870000), (2, 35435000), (4, 17717500), (5, 14174000), (8, 8858750), (10, 7087000), (16, 4429375), (19, 3730000), (20, 3543500), (25, 2834800), (38, 1865000), (40, 1771750), (50, 1417400), (76, 932500), (80, 885875), (95, 746000), (100, 708700), (125, 566960), (152, 466250), (190, 373000), (200, 354350), (250, 283480), (304, 233125), (373, 190000), (380, 186500), (400, 177175), (475, 149200), (500, 141740), (625, 113392), (746, 95000), (760, 93250), (950, 74600), (1000, 70870), (1250, 56696), (1492, 47500), (1520, 46625), (1865, 38000), (1900, 37300), (2000, 35435), (2375, 29840), (2500, 28348), (2984, 23750), (3730, 19000), (3800, 18650), (4750, 14920), (5000, 14174), (5968, 11875), (7087, 10000), (7460, 9500), (7600, 9325)]