1501000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 3744000

約数和(自身を除く): 2243000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 79, 95, 100, 125, 152, 158, 190, 200, 250, 316, 380, 395, 475, 500, 632, 760, 790, 950, 1000, 1501, 1580, 1900, 1975, 2375, 3002, 3160, 3800, 3950, 4750, 6004, 7505, 7900, 9500, 9875, 12008, 15010, 15800, 19000, 19750, 30020, 37525, 39500, 60040, 75050, 79000, 150100, 187625, 300200, 375250, 750500, 1501000]

約数ペア:

[(1, 1501000), (2, 750500), (4, 375250), (5, 300200), (8, 187625), (10, 150100), (19, 79000), (20, 75050), (25, 60040), (38, 39500), (40, 37525), (50, 30020), (76, 19750), (79, 19000), (95, 15800), (100, 15010), (125, 12008), (152, 9875), (158, 9500), (190, 7900), (200, 7505), (250, 6004), (316, 4750), (380, 3950), (395, 3800), (475, 3160), (500, 3002), (632, 2375), (760, 1975), (790, 1900), (950, 1580), (1000, 1501)]