388631360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1040

約数の個数: 112

約数和(自身を含む): 1007400576

約数和(自身を除く): 618769216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 130, 160, 206, 208, 260, 320, 412, 416, 515, 520, 824, 832, 907, 1030, 1040, 1339, 1648, 1814, 2060, 2080, 2678, 3296, 3628, 4120, 4160, 4535, 5356, 6592, 6695, 7256, 8240, 9070, 10712, 11791, 13390, 14512, 16480, 18140, 21424, 23582, 26780, 29024, 32960, 36280, 42848, 47164, 53560, 58048, 58955, 72560, 85696, 93421, 94328, 107120, 117910, 145120, 186842, 188656, 214240, 235820, 290240, 373684, 377312, 428480, 467105, 471640, 747368, 754624, 934210, 943280, 1214473, 1494736, 1868420, 1886560, 2428946, 2989472, 3736840, 3773120, 4857892, 5978944, 6072365, 7473680, 9715784, 12144730, 14947360, 19431568, 24289460, 29894720, 38863136, 48578920, 77726272, 97157840, 194315680, 388631360]

約数ペア:

[(1, 388631360), (2, 194315680), (4, 97157840), (5, 77726272), (8, 48578920), (10, 38863136), (13, 29894720), (16, 24289460), (20, 19431568), (26, 14947360), (32, 12144730), (40, 9715784), (52, 7473680), (64, 6072365), (65, 5978944), (80, 4857892), (103, 3773120), (104, 3736840), (130, 2989472), (160, 2428946), (206, 1886560), (208, 1868420), (260, 1494736), (320, 1214473), (412, 943280), (416, 934210), (515, 754624), (520, 747368), (824, 471640), (832, 467105), (907, 428480), (1030, 377312), (1040, 373684), (1339, 290240), (1648, 235820), (1814, 214240), (2060, 188656), (2080, 186842), (2678, 145120), (3296, 117910), (3628, 107120), (4120, 94328), (4160, 93421), (4535, 85696), (5356, 72560), (6592, 58955), (6695, 58048), (7256, 53560), (8240, 47164), (9070, 42848), (10712, 36280), (11791, 32960), (13390, 29024), (14512, 26780), (16480, 23582), (18140, 21424)]