2551879820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 6382787040

約数和(自身を除く): 3830907220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 137, 140, 166, 196, 229, 245, 274, 332, 415, 458, 490, 548, 581, 685, 830, 916, 959, 980, 1145, 1162, 1370, 1603, 1660, 1918, 2290, 2324, 2740, 2905, 3206, 3836, 4067, 4580, 4795, 5810, 6412, 6713, 8015, 8134, 9590, 11221, 11371, 11620, 13426, 16030, 16268, 19007, 19180, 20335, 22442, 22742, 26852, 31373, 32060, 33565, 38014, 40670, 44884, 45484, 56105, 56855, 62746, 67130, 76028, 79597, 81340, 95035, 112210, 113710, 125492, 133049, 134260, 156865, 159194, 190070, 219611, 224420, 227420, 266098, 313730, 318388, 380140, 397985, 439222, 532196, 557179, 627460, 665245, 795970, 878444, 931343, 1098055, 1114358, 1330490, 1537277, 1591940, 1862686, 2196110, 2228716, 2603959, 2660980, 2785895, 3074554, 3725372, 4392220, 4656715, 5207918, 5571790, 6149108, 7686385, 9313430, 10415836, 11143580, 13019795, 15372770, 18227713, 18626860, 26039590, 30745540, 36455426, 52079180, 72910852, 91138565, 127593991, 182277130, 255187982, 364554260, 510375964, 637969955, 1275939910, 2551879820]

約数ペア:

[(1, 2551879820), (2, 1275939910), (4, 637969955), (5, 510375964), (7, 364554260), (10, 255187982), (14, 182277130), (20, 127593991), (28, 91138565), (35, 72910852), (49, 52079180), (70, 36455426), (83, 30745540), (98, 26039590), (137, 18626860), (140, 18227713), (166, 15372770), (196, 13019795), (229, 11143580), (245, 10415836), (274, 9313430), (332, 7686385), (415, 6149108), (458, 5571790), (490, 5207918), (548, 4656715), (581, 4392220), (685, 3725372), (830, 3074554), (916, 2785895), (959, 2660980), (980, 2603959), (1145, 2228716), (1162, 2196110), (1370, 1862686), (1603, 1591940), (1660, 1537277), (1918, 1330490), (2290, 1114358), (2324, 1098055), (2740, 931343), (2905, 878444), (3206, 795970), (3836, 665245), (4067, 627460), (4580, 557179), (4795, 532196), (5810, 439222), (6412, 397985), (6713, 380140), (8015, 318388), (8134, 313730), (9590, 266098), (11221, 227420), (11371, 224420), (11620, 219611), (13426, 190070), (16030, 159194), (16268, 156865), (19007, 134260), (19180, 133049), (20335, 125492), (22442, 113710), (22742, 112210), (26852, 95035), (31373, 81340), (32060, 79597), (33565, 76028), (38014, 67130), (40670, 62746), (44884, 56855), (45484, 56105)]