204295125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 365264640

約数和(自身を除く): 160969515

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 125, 159, 265, 285, 375, 475, 541, 795, 1007, 1325, 1425, 1623, 2375, 2705, 3021, 3975, 5035, 6625, 7125, 8115, 10279, 13525, 15105, 19875, 25175, 28673, 30837, 40575, 51395, 67625, 75525, 86019, 125875, 143365, 154185, 202875, 256975, 377625, 430095, 544787, 716825, 770925, 1284875, 1634361, 2150475, 2723935, 3584125, 3854625, 8171805, 10752375, 13619675, 40859025, 68098375, 204295125]

約数ペア:

[(1, 204295125), (3, 68098375), (5, 40859025), (15, 13619675), (19, 10752375), (25, 8171805), (53, 3854625), (57, 3584125), (75, 2723935), (95, 2150475), (125, 1634361), (159, 1284875), (265, 770925), (285, 716825), (375, 544787), (475, 430095), (541, 377625), (795, 256975), (1007, 202875), (1325, 154185), (1425, 143365), (1623, 125875), (2375, 86019), (2705, 75525), (3021, 67625), (3975, 51395), (5035, 40575), (6625, 30837), (7125, 28673), (8115, 25175), (10279, 19875), (13525, 15105)]