2145519425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37957}}^1$

素因数の和:38010

約数の個数: 48

約数和(自身を含む): 3388890240

約数和(自身を除く): 1243370815

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 323, 425, 475, 595, 665, 1615, 2261, 2975, 3325, 8075, 11305, 37957, 56525, 189785, 265699, 645269, 721183, 948925, 1328495, 3226345, 3605915, 4516883, 5048281, 6642475, 12260111, 16131725, 18029575, 22584415, 25241405, 61300555, 85820777, 112922075, 126207025, 306502775, 429103885, 2145519425]

約数ペア:

[(1, 2145519425), (5, 429103885), (7, 306502775), (17, 126207025), (19, 112922075), (25, 85820777), (35, 61300555), (85, 25241405), (95, 22584415), (119, 18029575), (133, 16131725), (175, 12260111), (323, 6642475), (425, 5048281), (475, 4516883), (595, 3605915), (665, 3226345), (1615, 1328495), (2261, 948925), (2975, 721183), (3325, 645269), (8075, 265699), (11305, 189785), (37957, 56525)]