164939000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8721

約数の個数: 64

約数和(自身を含む): 406317600

約数和(自身を除く): 241378600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 8681, 9500, 17362, 19000, 34724, 43405, 69448, 86810, 164939, 173620, 217025, 329878, 347240, 434050, 659756, 824695, 868100, 1085125, 1319512, 1649390, 1736200, 2170250, 3298780, 4123475, 4340500, 6597560, 8246950, 8681000, 16493900, 20617375, 32987800, 41234750, 82469500, 164939000]

約数ペア:

[(1, 164939000), (2, 82469500), (4, 41234750), (5, 32987800), (8, 20617375), (10, 16493900), (19, 8681000), (20, 8246950), (25, 6597560), (38, 4340500), (40, 4123475), (50, 3298780), (76, 2170250), (95, 1736200), (100, 1649390), (125, 1319512), (152, 1085125), (190, 868100), (200, 824695), (250, 659756), (380, 434050), (475, 347240), (500, 329878), (760, 217025), (950, 173620), (1000, 164939), (1900, 86810), (2375, 69448), (3800, 43405), (4750, 34724), (8681, 19000), (9500, 17362)]