139906910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 297851904

約数和(自身を除く): 157944994

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 227, 286, 431, 454, 715, 862, 1135, 1430, 2155, 2270, 2497, 2951, 4310, 4741, 4994, 5603, 5902, 9482, 11206, 12485, 14755, 23705, 24970, 28015, 29510, 32461, 47410, 56030, 61633, 64922, 97837, 123266, 162305, 195674, 308165, 324610, 489185, 616330, 978370, 1076207, 1271881, 2152414, 2543762, 5381035, 6359405, 10762070, 12718810, 13990691, 27981382, 69953455, 139906910]

約数ペア:

[(1, 139906910), (2, 69953455), (5, 27981382), (10, 13990691), (11, 12718810), (13, 10762070), (22, 6359405), (26, 5381035), (55, 2543762), (65, 2152414), (110, 1271881), (130, 1076207), (143, 978370), (227, 616330), (286, 489185), (431, 324610), (454, 308165), (715, 195674), (862, 162305), (1135, 123266), (1430, 97837), (2155, 64922), (2270, 61633), (2497, 56030), (2951, 47410), (4310, 32461), (4741, 29510), (4994, 28015), (5603, 24970), (5902, 23705), (9482, 14755), (11206, 12485)]