918173620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 2411313408

約数和(自身を除く): 1493139788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 151, 169, 182, 257, 260, 302, 338, 364, 455, 514, 604, 676, 755, 845, 910, 1028, 1057, 1183, 1285, 1510, 1690, 1799, 1820, 1963, 2114, 2366, 2570, 3020, 3341, 3380, 3598, 3926, 4228, 4732, 5140, 5285, 5915, 6682, 7196, 7852, 8995, 9815, 10570, 11830, 13364, 13741, 16705, 17990, 19630, 21140, 23387, 23660, 25519, 27482, 33410, 35980, 38807, 39260, 43433, 46774, 51038, 54964, 66820, 68705, 77614, 86866, 93548, 102076, 116935, 127595, 137410, 155228, 173732, 178633, 194035, 217165, 233870, 255190, 271649, 274820, 304031, 357266, 388070, 434330, 467740, 504491, 510380, 543298, 608062, 714532, 776140, 868660, 893165, 1008982, 1086596, 1216124, 1358245, 1520155, 1786330, 2017964, 2522455, 2716490, 3040310, 3531437, 3572660, 5044910, 5432980, 6080620, 6558383, 7062874, 10089820, 13116766, 14125748, 17657185, 26233532, 32791915, 35314370, 45908681, 65583830, 70628740, 91817362, 131167660, 183634724, 229543405, 459086810, 918173620]

約数ペア:

[(1, 918173620), (2, 459086810), (4, 229543405), (5, 183634724), (7, 131167660), (10, 91817362), (13, 70628740), (14, 65583830), (20, 45908681), (26, 35314370), (28, 32791915), (35, 26233532), (52, 17657185), (65, 14125748), (70, 13116766), (91, 10089820), (130, 7062874), (140, 6558383), (151, 6080620), (169, 5432980), (182, 5044910), (257, 3572660), (260, 3531437), (302, 3040310), (338, 2716490), (364, 2522455), (455, 2017964), (514, 1786330), (604, 1520155), (676, 1358245), (755, 1216124), (845, 1086596), (910, 1008982), (1028, 893165), (1057, 868660), (1183, 776140), (1285, 714532), (1510, 608062), (1690, 543298), (1799, 510380), (1820, 504491), (1963, 467740), (2114, 434330), (2366, 388070), (2570, 357266), (3020, 304031), (3341, 274820), (3380, 271649), (3598, 255190), (3926, 233870), (4228, 217165), (4732, 194035), (5140, 178633), (5285, 173732), (5915, 155228), (6682, 137410), (7196, 127595), (7852, 116935), (8995, 102076), (9815, 93548), (10570, 86866), (11830, 77614), (13364, 68705), (13741, 66820), (16705, 54964), (17990, 51038), (19630, 46774), (21140, 43433), (23387, 39260), (23660, 38807), (25519, 35980), (27482, 33410)]