254264790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21085

約数の個数: 64

約数和(自身を含む): 678408192

約数和(自身を除く): 424143402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 21031, 42062, 63093, 105155, 126186, 210310, 273403, 315465, 546806, 630930, 651961, 820209, 1303922, 1367015, 1640418, 1955883, 2734030, 3259805, 3911766, 4101045, 6519610, 8202090, 8475493, 9779415, 16950986, 19558830, 25426479, 42377465, 50852958, 84754930, 127132395, 254264790]

約数ペア:

[(1, 254264790), (2, 127132395), (3, 84754930), (5, 50852958), (6, 42377465), (10, 25426479), (13, 19558830), (15, 16950986), (26, 9779415), (30, 8475493), (31, 8202090), (39, 6519610), (62, 4101045), (65, 3911766), (78, 3259805), (93, 2734030), (130, 1955883), (155, 1640418), (186, 1367015), (195, 1303922), (310, 820209), (390, 651961), (403, 630930), (465, 546806), (806, 315465), (930, 273403), (1209, 210310), (2015, 126186), (2418, 105155), (4030, 63093), (6045, 42062), (12090, 21031)]