26989690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 37361030

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 49, 65, 70, 91, 95, 98, 130, 133, 182, 190, 223, 245, 247, 266, 446, 455, 490, 494, 637, 665, 910, 931, 1115, 1235, 1274, 1330, 1561, 1729, 1862, 2230, 2470, 2899, 3122, 3185, 3458, 4237, 4655, 5798, 6370, 7805, 8474, 8645, 9310, 10927, 12103, 14495, 15610, 17290, 20293, 21185, 21854, 24206, 28990, 29659, 40586, 42370, 54635, 55081, 59318, 60515, 101465, 109270, 110162, 121030, 142051, 148295, 202930, 207613, 275405, 284102, 296590, 385567, 415226, 550810, 710255, 771134, 1038065, 1420510, 1927835, 2076130, 2698969, 3855670, 5397938, 13494845, 26989690]

約数ペア:

[(1, 26989690), (2, 13494845), (5, 5397938), (7, 3855670), (10, 2698969), (13, 2076130), (14, 1927835), (19, 1420510), (26, 1038065), (35, 771134), (38, 710255), (49, 550810), (65, 415226), (70, 385567), (91, 296590), (95, 284102), (98, 275405), (130, 207613), (133, 202930), (182, 148295), (190, 142051), (223, 121030), (245, 110162), (247, 109270), (266, 101465), (446, 60515), (455, 59318), (490, 55081), (494, 54635), (637, 42370), (665, 40586), (910, 29659), (931, 28990), (1115, 24206), (1235, 21854), (1274, 21185), (1330, 20293), (1561, 17290), (1729, 15610), (1862, 14495), (2230, 12103), (2470, 10927), (2899, 9310), (3122, 8645), (3185, 8474), (3458, 7805), (4237, 6370), (4655, 5798)]