50002540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 126403200

約数和(自身を除く): 76400660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 197, 245, 259, 343, 370, 394, 490, 518, 686, 740, 788, 980, 985, 1036, 1295, 1372, 1379, 1715, 1813, 1970, 2590, 2758, 3430, 3626, 3940, 5180, 5516, 6860, 6895, 7252, 7289, 9065, 9653, 12691, 13790, 14578, 18130, 19306, 25382, 27580, 29156, 36260, 36445, 38612, 48265, 50764, 51023, 63455, 67571, 72890, 96530, 102046, 126910, 135142, 145780, 193060, 204092, 253820, 255115, 270284, 337855, 357161, 510230, 675710, 714322, 1020460, 1351420, 1428644, 1785805, 2500127, 3571610, 5000254, 7143220, 10000508, 12500635, 25001270, 50002540]

約数ペア:

[(1, 50002540), (2, 25001270), (4, 12500635), (5, 10000508), (7, 7143220), (10, 5000254), (14, 3571610), (20, 2500127), (28, 1785805), (35, 1428644), (37, 1351420), (49, 1020460), (70, 714322), (74, 675710), (98, 510230), (140, 357161), (148, 337855), (185, 270284), (196, 255115), (197, 253820), (245, 204092), (259, 193060), (343, 145780), (370, 135142), (394, 126910), (490, 102046), (518, 96530), (686, 72890), (740, 67571), (788, 63455), (980, 51023), (985, 50764), (1036, 48265), (1295, 38612), (1372, 36445), (1379, 36260), (1715, 29156), (1813, 27580), (1970, 25382), (2590, 19306), (2758, 18130), (3430, 14578), (3626, 13790), (3940, 12691), (5180, 9653), (5516, 9065), (6860, 7289), (6895, 7252)]