248749425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 484373760

約数和(自身を除く): 235624335

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, 1767, 1877, 2325, 2945, 4275, 5301, 5631, 6975, 8835, 9385, 14725, 16893, 26505, 28155, 35663, 44175, 46925, 58187, 84465, 106989, 132525, 140775, 174561, 178315, 290935, 320967, 422325, 523683, 534945, 872805, 891575, 1105553, 1454675, 1604835, 2618415, 2674725, 3316659, 4364025, 5527765, 8024175, 9949977, 13092075, 16583295, 27638825, 49749885, 82916475, 248749425]

約数ペア:

[(1, 248749425), (3, 82916475), (5, 49749885), (9, 27638825), (15, 16583295), (19, 13092075), (25, 9949977), (31, 8024175), (45, 5527765), (57, 4364025), (75, 3316659), (93, 2674725), (95, 2618415), (155, 1604835), (171, 1454675), (225, 1105553), (279, 891575), (285, 872805), (465, 534945), (475, 523683), (589, 422325), (775, 320967), (855, 290935), (1395, 178315), (1425, 174561), (1767, 140775), (1877, 132525), (2325, 106989), (2945, 84465), (4275, 58187), (5301, 46925), (5631, 44175), (6975, 35663), (8835, 28155), (9385, 26505), (14725, 16893)]