About the Number

28078960

28078959 ← → 28078961

2進数表記:1101011000111001101110000

漢数字表記:二千八百七万八千九百六十

素因数分解:

2 4 × 5 1 × 7 2 × 13 1 × 19 1 × 29 1

素因数の和:88
約数の個数: 240
約数和(自身を含む): 89056800
約数和(自身を除く): 60977840

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 29, 35, 38, 40, 49, 52, 56, 58, 65, 70, 76, 80, 91, 95, 98, 104, 112, 116, 130, 133, 140, 145, 152, 182, 190, 196, 203, 208, 232, 245, 247, 260, 266, 280, 290, 304, 364, 377, 380, 392, 406, 455, 464, 490, 494, 520, 532, 551, 560, 580, 637, 665, 728, 754, 760, 784, 812, 910, 931, 980, 988, 1015, 1040, 1064, 1102, 1160, 1235, 1274, 1330, 1421, 1456, 1508, 1520, 1624, 1729, 1820, 1862, 1885, 1960, 1976, 2030, 2128, 2204, 2320, 2470, 2548, 2639, 2660, 2755, 2842, 3016, 3185, 3248, 3458, 3640, 3724, 3770, 3857, 3920, 3952, 4060, 4408, 4655, 4940, 5096, 5278, 5320, 5510, 5684, 6032, 6370, 6916, 7105, 7163, 7280, 7448, 7540, 7714, 8120, 8645, 8816, 9310, 9880, 10192, 10556, 10640, 11020, 11368, 12103, 12740, 13195, 13832, 14210, 14326, 14896, 15080, 15428, 16240, 17290, 18473, 18620, 19285, 19760, 21112, 22040, 22736, 24206, 25480, 26390, 26999, 27664, 28420, 28652, 30160, 30856, 34580, 35815, 36946, 37240, 38570, 42224, 44080, 48412, 50141, 50960, 52780, 53998, 56840, 57304, 60515, 61712, 69160, 71630, 73892, 74480, 77140, 92365, 96824, 100282, 105560, 107996, 113680, 114608, 121030, 134995, 138320, 143260, 147784, 154280, 184730, 193648, 200564, 211120, 215992, 242060, 250705, 269990, 286520, 295568, 308560, 350987, 369460, 401128, 431984, 484120, 501410, 539980, 573040, 701974, 738920, 802256, 968240, 1002820, 1079960, 1403948, 1477840, 1754935, 2005640, 2159920, 2807896, 3509870, 4011280, 5615792, 7019740, 14039480, 28078960]

約数ペア:
[(1, 28078960), (2, 14039480), (4, 7019740), (5, 5615792), (7, 4011280), (8, 3509870), (10, 2807896), (13, 2159920), (14, 2005640), (16, 1754935), (19, 1477840), (20, 1403948), (26, 1079960), (28, 1002820), (29, 968240), (35, 802256), (38, 738920), (40, 701974), (49, 573040), (52, 539980), (56, 501410), (58, 484120), (65, 431984), (70, 401128), (76, 369460), (80, 350987), (91, 308560), (95, 295568), (98, 286520), (104, 269990), (112, 250705), (116, 242060), (130, 215992), (133, 211120), (140, 200564), (145, 193648), (152, 184730), (182, 154280), (190, 147784), (196, 143260), (203, 138320), (208, 134995), (232, 121030), (245, 114608), (247, 113680), (260, 107996), (266, 105560), (280, 100282), (290, 96824), (304, 92365), (364, 77140), (377, 74480), (380, 73892), (392, 71630), (406, 69160), (455, 61712), (464, 60515), (490, 57304), (494, 56840), (520, 53998), (532, 52780), (551, 50960), (560, 50141), (580, 48412), (637, 44080), (665, 42224), (728, 38570), (754, 37240), (760, 36946), (784, 35815), (812, 34580), (910, 30856), (931, 30160), (980, 28652), (988, 28420), (1015, 27664), (1040, 26999), (1064, 26390), (1102, 25480), (1160, 24206), (1235, 22736), (1274, 22040), (1330, 21112), (1421, 19760), (1456, 19285), (1508, 18620), (1520, 18473), (1624, 17290), (1729, 16240), (1820, 15428), (1862, 15080), (1885, 14896), (1960, 14326), (1976, 14210), (2030, 13832), (2128, 13195), (2204, 12740), (2320, 12103), (2470, 11368), (2548, 11020), (2639, 10640), (2660, 10556), (2755, 10192), (2842, 9880), (3016, 9310), (3185, 8816), (3248, 8645), (3458, 8120), (3640, 7714), (3724, 7540), (3770, 7448), (3857, 7280), (3920, 7163), (3952, 7105), (4060, 6916), (4408, 6370), (4655, 6032), (4940, 5684), (5096, 5510), (5278, 5320)]

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