1408541000

素因数分解:

$2^3\times 5^3\times {\mathrm{67}}^1\times {\mathrm{21023}}^1$

素因数の和:21111

約数の個数: 64

約数和(自身を含む): 3345338880

約数和(自身を除く): 1936797880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 125, 134, 200, 250, 268, 335, 500, 536, 670, 1000, 1340, 1675, 2680, 3350, 6700, 8375, 13400, 16750, 21023, 33500, 42046, 67000, 84092, 105115, 168184, 210230, 420460, 525575, 840920, 1051150, 1408541, 2102300, 2627875, 2817082, 4204600, 5255750, 5634164, 7042705, 10511500, 11268328, 14085410, 21023000, 28170820, 35213525, 56341640, 70427050, 140854100, 176067625, 281708200, 352135250, 704270500, 1408541000]

約数ペア:

[(1, 1408541000), (2, 704270500), (4, 352135250), (5, 281708200), (8, 176067625), (10, 140854100), (20, 70427050), (25, 56341640), (40, 35213525), (50, 28170820), (67, 21023000), (100, 14085410), (125, 11268328), (134, 10511500), (200, 7042705), (250, 5634164), (268, 5255750), (335, 4204600), (500, 2817082), (536, 2627875), (670, 2102300), (1000, 1408541), (1340, 1051150), (1675, 840920), (2680, 525575), (3350, 420460), (6700, 210230), (8375, 168184), (13400, 105115), (16750, 84092), (21023, 67000), (33500, 42046)]