About the Number

388616970

388616969 ← → 388616971

2進数表記:10111001010011101001100001010

漢数字表記:三億八千八百六十一万六千九百七十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 23 1 × 61 1 × 1319 1

素因数の和:1420
約数の個数: 128
約数和(自身を含む): 1131356160
約数和(自身を除く): 742739190

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 61, 69, 70, 105, 115, 122, 138, 161, 183, 210, 230, 305, 322, 345, 366, 427, 483, 610, 690, 805, 854, 915, 966, 1281, 1319, 1403, 1610, 1830, 2135, 2415, 2562, 2638, 2806, 3957, 4209, 4270, 4830, 6405, 6595, 7015, 7914, 8418, 9233, 9821, 12810, 13190, 14030, 18466, 19642, 19785, 21045, 27699, 29463, 30337, 39570, 42090, 46165, 49105, 55398, 58926, 60674, 80459, 91011, 92330, 98210, 138495, 147315, 151685, 160918, 182022, 212359, 241377, 276990, 294630, 303370, 402295, 424718, 455055, 482754, 563213, 637077, 804590, 910110, 1061795, 1126426, 1206885, 1274154, 1689639, 1850557, 2123590, 2413770, 2816065, 3185385, 3379278, 3701114, 5551671, 5632130, 6370770, 8448195, 9252785, 11103342, 12953899, 16896390, 18505570, 25907798, 27758355, 38861697, 55516710, 64769495, 77723394, 129538990, 194308485, 388616970]

約数ペア:
[(1, 388616970), (2, 194308485), (3, 129538990), (5, 77723394), (6, 64769495), (7, 55516710), (10, 38861697), (14, 27758355), (15, 25907798), (21, 18505570), (23, 16896390), (30, 12953899), (35, 11103342), (42, 9252785), (46, 8448195), (61, 6370770), (69, 5632130), (70, 5551671), (105, 3701114), (115, 3379278), (122, 3185385), (138, 2816065), (161, 2413770), (183, 2123590), (210, 1850557), (230, 1689639), (305, 1274154), (322, 1206885), (345, 1126426), (366, 1061795), (427, 910110), (483, 804590), (610, 637077), (690, 563213), (805, 482754), (854, 455055), (915, 424718), (966, 402295), (1281, 303370), (1319, 294630), (1403, 276990), (1610, 241377), (1830, 212359), (2135, 182022), (2415, 160918), (2562, 151685), (2638, 147315), (2806, 138495), (3957, 98210), (4209, 92330), (4270, 91011), (4830, 80459), (6405, 60674), (6595, 58926), (7015, 55398), (7914, 49105), (8418, 46165), (9233, 42090), (9821, 39570), (12810, 30337), (13190, 29463), (14030, 27699), (18466, 21045), (19642, 19785)]

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