204486075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 398228480

約数和(自身を除く): 193742405

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 589, 775, 855, 1395, 1425, 1543, 1767, 2325, 2945, 4275, 4629, 5301, 6975, 7715, 8835, 13887, 14725, 23145, 26505, 29317, 38575, 44175, 47833, 69435, 87951, 115725, 132525, 143499, 146585, 239165, 263853, 347175, 430497, 439755, 717495, 732925, 908827, 1195825, 1319265, 2152485, 2198775, 2726481, 3587475, 4544135, 6596325, 8179443, 10762425, 13632405, 22720675, 40897215, 68162025, 204486075]

約数ペア:

[(1, 204486075), (3, 68162025), (5, 40897215), (9, 22720675), (15, 13632405), (19, 10762425), (25, 8179443), (31, 6596325), (45, 4544135), (57, 3587475), (75, 2726481), (93, 2198775), (95, 2152485), (155, 1319265), (171, 1195825), (225, 908827), (279, 732925), (285, 717495), (465, 439755), (475, 430497), (589, 347175), (775, 263853), (855, 239165), (1395, 146585), (1425, 143499), (1543, 132525), (1767, 115725), (2325, 87951), (2945, 69435), (4275, 47833), (4629, 44175), (5301, 38575), (6975, 29317), (7715, 26505), (8835, 23145), (13887, 14725)]