268248890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 632475648

約数和(自身を除く): 364226758

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 37, 62, 65, 70, 74, 91, 130, 155, 182, 185, 217, 257, 259, 310, 370, 403, 434, 455, 481, 514, 518, 806, 910, 962, 1085, 1147, 1285, 1295, 1799, 2015, 2170, 2294, 2405, 2570, 2590, 2821, 3341, 3367, 3598, 4030, 4810, 5642, 5735, 6682, 6734, 7967, 8029, 8995, 9509, 11470, 14105, 14911, 15934, 16058, 16705, 16835, 17990, 19018, 23387, 28210, 29822, 33410, 33670, 39835, 40145, 46774, 47545, 55769, 66563, 74555, 79670, 80290, 95090, 103571, 104377, 111538, 116935, 123617, 133126, 149110, 207142, 208754, 233870, 247234, 278845, 294779, 332815, 517855, 521885, 557690, 589558, 618085, 665630, 724997, 865319, 1035710, 1043770, 1236170, 1449994, 1473895, 1730638, 2063453, 2947790, 3624985, 3832127, 4126906, 4326595, 7249970, 7664254, 8653190, 10317265, 19160635, 20634530, 26824889, 38321270, 53649778, 134124445, 268248890]

約数ペア:

[(1, 268248890), (2, 134124445), (5, 53649778), (7, 38321270), (10, 26824889), (13, 20634530), (14, 19160635), (26, 10317265), (31, 8653190), (35, 7664254), (37, 7249970), (62, 4326595), (65, 4126906), (70, 3832127), (74, 3624985), (91, 2947790), (130, 2063453), (155, 1730638), (182, 1473895), (185, 1449994), (217, 1236170), (257, 1043770), (259, 1035710), (310, 865319), (370, 724997), (403, 665630), (434, 618085), (455, 589558), (481, 557690), (514, 521885), (518, 517855), (806, 332815), (910, 294779), (962, 278845), (1085, 247234), (1147, 233870), (1285, 208754), (1295, 207142), (1799, 149110), (2015, 133126), (2170, 123617), (2294, 116935), (2405, 111538), (2570, 104377), (2590, 103571), (2821, 95090), (3341, 80290), (3367, 79670), (3598, 74555), (4030, 66563), (4810, 55769), (5642, 47545), (5735, 46774), (6682, 40145), (6734, 39835), (7967, 33670), (8029, 33410), (8995, 29822), (9509, 28210), (11470, 23387), (14105, 19018), (14911, 17990), (15934, 16835), (16058, 16705)]