42564340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 108

約数和(自身を含む): 113030316

約数和(自身を除く): 70465976

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 257, 260, 338, 364, 455, 490, 514, 637, 676, 845, 910, 980, 1028, 1183, 1274, 1285, 1690, 1799, 1820, 2366, 2548, 2570, 3185, 3341, 3380, 3598, 4732, 5140, 5915, 6370, 6682, 7196, 8281, 8995, 11830, 12593, 12740, 13364, 16562, 16705, 17990, 23387, 23660, 25186, 33124, 33410, 35980, 41405, 43433, 46774, 50372, 62965, 66820, 82810, 86866, 93548, 116935, 125930, 163709, 165620, 173732, 217165, 233870, 251860, 304031, 327418, 434330, 467740, 608062, 654836, 818545, 868660, 1216124, 1520155, 1637090, 2128217, 3040310, 3274180, 4256434, 6080620, 8512868, 10641085, 21282170, 42564340]

約数ペア:

[(1, 42564340), (2, 21282170), (4, 10641085), (5, 8512868), (7, 6080620), (10, 4256434), (13, 3274180), (14, 3040310), (20, 2128217), (26, 1637090), (28, 1520155), (35, 1216124), (49, 868660), (52, 818545), (65, 654836), (70, 608062), (91, 467740), (98, 434330), (130, 327418), (140, 304031), (169, 251860), (182, 233870), (196, 217165), (245, 173732), (257, 165620), (260, 163709), (338, 125930), (364, 116935), (455, 93548), (490, 86866), (514, 82810), (637, 66820), (676, 62965), (845, 50372), (910, 46774), (980, 43433), (1028, 41405), (1183, 35980), (1274, 33410), (1285, 33124), (1690, 25186), (1799, 23660), (1820, 23387), (2366, 17990), (2548, 16705), (2570, 16562), (3185, 13364), (3341, 12740), (3380, 12593), (3598, 11830), (4732, 8995), (5140, 8281), (5915, 7196), (6370, 6682)]