28123550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:922

約数の個数: 72

約数和(自身を含む): 65605176

約数和(自身を除く): 37481626

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 883, 910, 1225, 1274, 1766, 2275, 2450, 3185, 4415, 4550, 6181, 6370, 8830, 11479, 12362, 15925, 22075, 22958, 30905, 31850, 43267, 44150, 57395, 61810, 80353, 86534, 114790, 154525, 160706, 216335, 286975, 309050, 401765, 432670, 562471, 573950, 803530, 1081675, 1124942, 2008825, 2163350, 2812355, 4017650, 5624710, 14061775, 28123550]

約数ペア:

[(1, 28123550), (2, 14061775), (5, 5624710), (7, 4017650), (10, 2812355), (13, 2163350), (14, 2008825), (25, 1124942), (26, 1081675), (35, 803530), (49, 573950), (50, 562471), (65, 432670), (70, 401765), (91, 309050), (98, 286975), (130, 216335), (175, 160706), (182, 154525), (245, 114790), (325, 86534), (350, 80353), (455, 61810), (490, 57395), (637, 44150), (650, 43267), (883, 31850), (910, 30905), (1225, 22958), (1274, 22075), (1766, 15925), (2275, 12362), (2450, 11479), (3185, 8830), (4415, 6370), (4550, 6181)]