15407000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 43130880

約数和(自身を除く): 27723880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 71, 100, 124, 125, 140, 142, 155, 175, 200, 217, 248, 250, 280, 284, 310, 350, 355, 434, 497, 500, 568, 620, 700, 710, 775, 868, 875, 994, 1000, 1085, 1240, 1400, 1420, 1550, 1736, 1750, 1775, 1988, 2170, 2201, 2485, 2840, 3100, 3500, 3550, 3875, 3976, 4340, 4402, 4970, 5425, 6200, 7000, 7100, 7750, 8680, 8804, 8875, 9940, 10850, 11005, 12425, 14200, 15407, 15500, 17608, 17750, 19880, 21700, 22010, 24850, 27125, 30814, 31000, 35500, 43400, 44020, 49700, 54250, 55025, 61628, 62125, 71000, 77035, 88040, 99400, 108500, 110050, 123256, 124250, 154070, 217000, 220100, 248500, 275125, 308140, 385175, 440200, 497000, 550250, 616280, 770350, 1100500, 1540700, 1925875, 2201000, 3081400, 3851750, 7703500, 15407000]

約数ペア:

[(1, 15407000), (2, 7703500), (4, 3851750), (5, 3081400), (7, 2201000), (8, 1925875), (10, 1540700), (14, 1100500), (20, 770350), (25, 616280), (28, 550250), (31, 497000), (35, 440200), (40, 385175), (50, 308140), (56, 275125), (62, 248500), (70, 220100), (71, 217000), (100, 154070), (124, 124250), (125, 123256), (140, 110050), (142, 108500), (155, 99400), (175, 88040), (200, 77035), (217, 71000), (248, 62125), (250, 61628), (280, 55025), (284, 54250), (310, 49700), (350, 44020), (355, 43400), (434, 35500), (497, 31000), (500, 30814), (568, 27125), (620, 24850), (700, 22010), (710, 21700), (775, 19880), (868, 17750), (875, 17608), (994, 15500), (1000, 15407), (1085, 14200), (1240, 12425), (1400, 11005), (1420, 10850), (1550, 9940), (1736, 8875), (1750, 8804), (1775, 8680), (1988, 7750), (2170, 7100), (2201, 7000), (2485, 6200), (2840, 5425), (3100, 4970), (3500, 4402), (3550, 4340), (3875, 3976)]