338765440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2194

約数の個数: 128

約数和(自身を含む): 918489600

約数和(自身を除く): 579724160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2143, 2432, 2470, 3040, 3952, 4160, 4286, 4940, 6080, 7904, 8320, 8572, 9880, 10715, 12160, 15808, 17144, 19760, 21430, 27859, 31616, 34288, 39520, 40717, 42860, 55718, 68576, 79040, 81434, 85720, 111436, 137152, 139295, 158080, 162868, 171440, 203585, 222872, 274304, 278590, 325736, 342880, 407170, 445744, 529321, 557180, 651472, 685760, 814340, 891488, 1058642, 1114360, 1302944, 1371520, 1628680, 1782976, 2117284, 2228720, 2605888, 2646605, 3257360, 3565952, 4234568, 4457440, 5211776, 5293210, 6514720, 8469136, 8914880, 10586420, 13029440, 16938272, 17829760, 21172840, 26058880, 33876544, 42345680, 67753088, 84691360, 169382720, 338765440]

約数ペア:

[(1, 338765440), (2, 169382720), (4, 84691360), (5, 67753088), (8, 42345680), (10, 33876544), (13, 26058880), (16, 21172840), (19, 17829760), (20, 16938272), (26, 13029440), (32, 10586420), (38, 8914880), (40, 8469136), (52, 6514720), (64, 5293210), (65, 5211776), (76, 4457440), (80, 4234568), (95, 3565952), (104, 3257360), (128, 2646605), (130, 2605888), (152, 2228720), (160, 2117284), (190, 1782976), (208, 1628680), (247, 1371520), (260, 1302944), (304, 1114360), (320, 1058642), (380, 891488), (416, 814340), (494, 685760), (520, 651472), (608, 557180), (640, 529321), (760, 445744), (832, 407170), (988, 342880), (1040, 325736), (1216, 278590), (1235, 274304), (1520, 222872), (1664, 203585), (1976, 171440), (2080, 162868), (2143, 158080), (2432, 139295), (2470, 137152), (3040, 111436), (3952, 85720), (4160, 81434), (4286, 79040), (4940, 68576), (6080, 55718), (7904, 42860), (8320, 40717), (8572, 39520), (9880, 34288), (10715, 31616), (12160, 27859), (15808, 21430), (17144, 19760)]