31939000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 80636400

約数和(自身を除く): 48697400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 125, 152, 164, 190, 200, 205, 250, 328, 380, 410, 475, 500, 760, 779, 820, 950, 1000, 1025, 1558, 1640, 1681, 1900, 2050, 2375, 3116, 3362, 3800, 3895, 4100, 4750, 5125, 6232, 6724, 7790, 8200, 8405, 9500, 10250, 13448, 15580, 16810, 19000, 19475, 20500, 31160, 31939, 33620, 38950, 41000, 42025, 63878, 67240, 77900, 84050, 97375, 127756, 155800, 159695, 168100, 194750, 210125, 255512, 319390, 336200, 389500, 420250, 638780, 779000, 798475, 840500, 1277560, 1596950, 1681000, 3193900, 3992375, 6387800, 7984750, 15969500, 31939000]

約数ペア:

[(1, 31939000), (2, 15969500), (4, 7984750), (5, 6387800), (8, 3992375), (10, 3193900), (19, 1681000), (20, 1596950), (25, 1277560), (38, 840500), (40, 798475), (41, 779000), (50, 638780), (76, 420250), (82, 389500), (95, 336200), (100, 319390), (125, 255512), (152, 210125), (164, 194750), (190, 168100), (200, 159695), (205, 155800), (250, 127756), (328, 97375), (380, 84050), (410, 77900), (475, 67240), (500, 63878), (760, 42025), (779, 41000), (820, 38950), (950, 33620), (1000, 31939), (1025, 31160), (1558, 20500), (1640, 19475), (1681, 19000), (1900, 16810), (2050, 15580), (2375, 13448), (3116, 10250), (3362, 9500), (3800, 8405), (3895, 8200), (4100, 7790), (4750, 6724), (5125, 6232)]