289731520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:558

約数の個数: 112

約数和(自身を含む): 748637568

約数和(自身を除く): 458906048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 257, 260, 271, 320, 416, 514, 520, 542, 832, 1028, 1040, 1084, 1285, 1355, 2056, 2080, 2168, 2570, 2710, 3341, 3523, 4112, 4160, 4336, 5140, 5420, 6682, 7046, 8224, 8672, 10280, 10840, 13364, 14092, 16448, 16705, 17344, 17615, 20560, 21680, 26728, 28184, 33410, 35230, 41120, 43360, 53456, 56368, 66820, 69647, 70460, 82240, 86720, 106912, 112736, 133640, 139294, 140920, 213824, 225472, 267280, 278588, 281840, 348235, 534560, 557176, 563680, 696470, 905411, 1069120, 1114352, 1127360, 1392940, 1810822, 2228704, 2785880, 3621644, 4457408, 4527055, 5571760, 7243288, 9054110, 11143520, 14486576, 18108220, 22287040, 28973152, 36216440, 57946304, 72432880, 144865760, 289731520]

約数ペア:

[(1, 289731520), (2, 144865760), (4, 72432880), (5, 57946304), (8, 36216440), (10, 28973152), (13, 22287040), (16, 18108220), (20, 14486576), (26, 11143520), (32, 9054110), (40, 7243288), (52, 5571760), (64, 4527055), (65, 4457408), (80, 3621644), (104, 2785880), (130, 2228704), (160, 1810822), (208, 1392940), (257, 1127360), (260, 1114352), (271, 1069120), (320, 905411), (416, 696470), (514, 563680), (520, 557176), (542, 534560), (832, 348235), (1028, 281840), (1040, 278588), (1084, 267280), (1285, 225472), (1355, 213824), (2056, 140920), (2080, 139294), (2168, 133640), (2570, 112736), (2710, 106912), (3341, 86720), (3523, 82240), (4112, 70460), (4160, 69647), (4336, 66820), (5140, 56368), (5420, 53456), (6682, 43360), (7046, 41120), (8224, 35230), (8672, 33410), (10280, 28184), (10840, 26728), (13364, 21680), (14092, 20560), (16448, 17615), (16705, 17344)]