229240225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 312480000

約数和(自身を除く): 83239775

約数列:

[1, 5, 19, 25, 41, 79, 95, 149, 205, 395, 475, 745, 779, 1025, 1501, 1975, 2831, 3239, 3725, 3895, 6109, 7505, 11771, 14155, 16195, 19475, 30545, 37525, 58855, 61541, 70775, 80975, 116071, 152725, 223649, 294275, 307705, 482611, 580355, 1118245, 1538525, 2413055, 2901775, 5591225, 9169609, 12065275, 45848045, 229240225]

約数ペア:

[(1, 229240225), (5, 45848045), (19, 12065275), (25, 9169609), (41, 5591225), (79, 2901775), (95, 2413055), (149, 1538525), (205, 1118245), (395, 580355), (475, 482611), (745, 307705), (779, 294275), (1025, 223649), (1501, 152725), (1975, 116071), (2831, 80975), (3239, 70775), (3725, 61541), (3895, 58855), (6109, 37525), (7505, 30545), (11771, 19475), (14155, 16195)]