247663780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3319}}^1$

素因数の和:3389

約数の個数: 96

約数和(自身を含む): 655925760

約数和(自身を除く): 408261980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 182, 205, 260, 287, 364, 410, 455, 533, 574, 820, 910, 1066, 1148, 1435, 1820, 2132, 2665, 2870, 3319, 3731, 5330, 5740, 6638, 7462, 10660, 13276, 14924, 16595, 18655, 23233, 33190, 37310, 43147, 46466, 66380, 74620, 86294, 92932, 116165, 136079, 172588, 215735, 232330, 272158, 302029, 431470, 464660, 544316, 604058, 680395, 862940, 952553, 1208116, 1360790, 1510145, 1769027, 1905106, 2721580, 3020290, 3538054, 3810212, 4762765, 6040580, 7076108, 8845135, 9525530, 12383189, 17690270, 19051060, 24766378, 35380540, 49532756, 61915945, 123831890, 247663780]

約数ペア:

[(1, 247663780), (2, 123831890), (4, 61915945), (5, 49532756), (7, 35380540), (10, 24766378), (13, 19051060), (14, 17690270), (20, 12383189), (26, 9525530), (28, 8845135), (35, 7076108), (41, 6040580), (52, 4762765), (65, 3810212), (70, 3538054), (82, 3020290), (91, 2721580), (130, 1905106), (140, 1769027), (164, 1510145), (182, 1360790), (205, 1208116), (260, 952553), (287, 862940), (364, 680395), (410, 604058), (455, 544316), (533, 464660), (574, 431470), (820, 302029), (910, 272158), (1066, 232330), (1148, 215735), (1435, 172588), (1820, 136079), (2132, 116165), (2665, 92932), (2870, 86294), (3319, 74620), (3731, 66380), (5330, 46466), (5740, 43147), (6638, 37310), (7462, 33190), (10660, 23233), (13276, 18655), (14924, 16595)]