257548470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 682577280

約数和(自身を除く): 425028810

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 102, 109, 113, 123, 170, 205, 218, 226, 246, 255, 327, 339, 410, 510, 545, 565, 615, 654, 678, 697, 1090, 1130, 1230, 1394, 1635, 1695, 1853, 1921, 2091, 3270, 3390, 3485, 3706, 3842, 4182, 4469, 4633, 5559, 5763, 6970, 8938, 9265, 9266, 9605, 10455, 11118, 11526, 12317, 13407, 13899, 18530, 19210, 20910, 22345, 23165, 24634, 26814, 27795, 27798, 28815, 36951, 44690, 46330, 55590, 57630, 61585, 67035, 69495, 73902, 75973, 78761, 123170, 134070, 138990, 151946, 157522, 184755, 209389, 227919, 236283, 369510, 379865, 393805, 418778, 455838, 472566, 504997, 628167, 759730, 787610, 1009994, 1046945, 1139595, 1181415, 1256334, 1514991, 2093890, 2279190, 2362830, 2524985, 3029982, 3140835, 5049970, 6281670, 7574955, 8584949, 15149910, 17169898, 25754847, 42924745, 51509694, 85849490, 128774235, 257548470]

約数ペア:

[(1, 257548470), (2, 128774235), (3, 85849490), (5, 51509694), (6, 42924745), (10, 25754847), (15, 17169898), (17, 15149910), (30, 8584949), (34, 7574955), (41, 6281670), (51, 5049970), (82, 3140835), (85, 3029982), (102, 2524985), (109, 2362830), (113, 2279190), (123, 2093890), (170, 1514991), (205, 1256334), (218, 1181415), (226, 1139595), (246, 1046945), (255, 1009994), (327, 787610), (339, 759730), (410, 628167), (510, 504997), (545, 472566), (565, 455838), (615, 418778), (654, 393805), (678, 379865), (697, 369510), (1090, 236283), (1130, 227919), (1230, 209389), (1394, 184755), (1635, 157522), (1695, 151946), (1853, 138990), (1921, 134070), (2091, 123170), (3270, 78761), (3390, 75973), (3485, 73902), (3706, 69495), (3842, 67035), (4182, 61585), (4469, 57630), (4633, 55590), (5559, 46330), (5763, 44690), (6970, 36951), (8938, 28815), (9265, 27798), (9266, 27795), (9605, 26814), (10455, 24634), (11118, 23165), (11526, 22345), (12317, 20910), (13407, 19210), (13899, 18530)]