86921940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 279417600

約数和(自身を除く): 192495660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 349, 420, 593, 698, 1047, 1186, 1396, 1745, 1779, 2094, 2372, 2443, 2965, 3490, 3558, 4151, 4188, 4886, 5235, 5930, 6980, 7116, 7329, 8302, 8895, 9772, 10470, 11860, 12215, 12453, 14658, 16604, 17790, 20755, 20940, 24430, 24906, 29316, 35580, 36645, 41510, 48860, 49812, 62265, 73290, 83020, 124530, 146580, 206957, 249060, 413914, 620871, 827828, 1034785, 1241742, 1448699, 2069570, 2483484, 2897398, 3104355, 4139140, 4346097, 5794796, 6208710, 7243495, 8692194, 12417420, 14486990, 17384388, 21730485, 28973980, 43460970, 86921940]

約数ペア:

[(1, 86921940), (2, 43460970), (3, 28973980), (4, 21730485), (5, 17384388), (6, 14486990), (7, 12417420), (10, 8692194), (12, 7243495), (14, 6208710), (15, 5794796), (20, 4346097), (21, 4139140), (28, 3104355), (30, 2897398), (35, 2483484), (42, 2069570), (60, 1448699), (70, 1241742), (84, 1034785), (105, 827828), (140, 620871), (210, 413914), (349, 249060), (420, 206957), (593, 146580), (698, 124530), (1047, 83020), (1186, 73290), (1396, 62265), (1745, 49812), (1779, 48860), (2094, 41510), (2372, 36645), (2443, 35580), (2965, 29316), (3490, 24906), (3558, 24430), (4151, 20940), (4188, 20755), (4886, 17790), (5235, 16604), (5930, 14658), (6980, 12453), (7116, 12215), (7329, 11860), (8302, 10470), (8895, 9772)]