200720052008

素因数分解:

$2^3\times 7^3\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{4079}}^1$

素因数の和:4412

約数の個数: 128

約数和(自身を含む): 446515200000

約数和(自身を除く): 245795147992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 227, 316, 343, 392, 454, 553, 632, 686, 908, 1106, 1372, 1589, 1816, 2212, 2744, 3178, 3871, 4079, 4424, 6356, 7742, 8158, 11123, 12712, 15484, 16316, 17933, 22246, 27097, 28553, 30968, 32632, 35866, 44492, 54194, 57106, 71732, 77861, 88984, 108388, 114212, 125531, 143464, 155722, 199871, 216776, 228424, 251062, 311444, 322241, 399742, 502124, 622888, 644482, 799484, 878717, 925933, 1004248, 1288964, 1399097, 1598968, 1757434, 1851866, 2255687, 2577928, 2798194, 3514868, 3703732, 4511374, 5596388, 6151019, 6481531, 7029736, 7407464, 9022748, 11192776, 12302038, 12963062, 15789809, 18045496, 24604076, 25926124, 31579618, 45370717, 49208152, 51852248, 63159236, 73148707, 90741434, 110528663, 126318472, 146297414, 181482868, 221057326, 292594828, 317595019, 362965736, 442114652, 512040949, 585189656, 635190038, 884229304, 1024081898, 1270380076, 2048163796, 2540760152, 3584286643, 4096327592, 7168573286, 14337146572, 25090006501, 28674293144, 50180013002, 100360026004, 200720052008]

約数ペア:

[(1, 200720052008), (2, 100360026004), (4, 50180013002), (7, 28674293144), (8, 25090006501), (14, 14337146572), (28, 7168573286), (49, 4096327592), (56, 3584286643), (79, 2540760152), (98, 2048163796), (158, 1270380076), (196, 1024081898), (227, 884229304), (316, 635190038), (343, 585189656), (392, 512040949), (454, 442114652), (553, 362965736), (632, 317595019), (686, 292594828), (908, 221057326), (1106, 181482868), (1372, 146297414), (1589, 126318472), (1816, 110528663), (2212, 90741434), (2744, 73148707), (3178, 63159236), (3871, 51852248), (4079, 49208152), (4424, 45370717), (6356, 31579618), (7742, 25926124), (8158, 24604076), (11123, 18045496), (12712, 15789809), (15484, 12963062), (16316, 12302038), (17933, 11192776), (22246, 9022748), (27097, 7407464), (28553, 7029736), (30968, 6481531), (32632, 6151019), (35866, 5596388), (44492, 4511374), (54194, 3703732), (57106, 3514868), (71732, 2798194), (77861, 2577928), (88984, 2255687), (108388, 1851866), (114212, 1757434), (125531, 1598968), (143464, 1399097), (155722, 1288964), (199871, 1004248), (216776, 925933), (228424, 878717), (251062, 799484), (311444, 644482), (322241, 622888), (399742, 502124)]