2643550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 6233976

約数和(自身を除く): 3590426

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 83, 91, 98, 130, 166, 175, 182, 245, 325, 350, 415, 455, 490, 581, 637, 650, 830, 910, 1079, 1162, 1225, 1274, 2075, 2158, 2275, 2450, 2905, 3185, 4067, 4150, 4550, 5395, 5810, 6370, 7553, 8134, 10790, 14525, 15106, 15925, 20335, 26975, 29050, 31850, 37765, 40670, 52871, 53950, 75530, 101675, 105742, 188825, 203350, 264355, 377650, 528710, 1321775, 2643550]

約数ペア:

[(1, 2643550), (2, 1321775), (5, 528710), (7, 377650), (10, 264355), (13, 203350), (14, 188825), (25, 105742), (26, 101675), (35, 75530), (49, 53950), (50, 52871), (65, 40670), (70, 37765), (83, 31850), (91, 29050), (98, 26975), (130, 20335), (166, 15925), (175, 15106), (182, 14525), (245, 10790), (325, 8134), (350, 7553), (415, 6370), (455, 5810), (490, 5395), (581, 4550), (637, 4150), (650, 4067), (830, 3185), (910, 2905), (1079, 2450), (1162, 2275), (1225, 2158), (1274, 2075)]