207521440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 596090880

約数和(自身を除く): 388569440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 139, 140, 155, 160, 172, 215, 217, 224, 248, 278, 280, 301, 310, 344, 430, 434, 496, 556, 560, 602, 620, 688, 695, 860, 868, 973, 992, 1085, 1112, 1120, 1204, 1240, 1333, 1376, 1390, 1505, 1720, 1736, 1946, 2170, 2224, 2408, 2480, 2666, 2780, 3010, 3440, 3472, 3892, 4309, 4340, 4448, 4816, 4865, 4960, 5332, 5560, 5977, 6020, 6665, 6880, 6944, 7784, 8618, 8680, 9331, 9632, 9730, 10664, 11120, 11954, 12040, 13330, 15568, 17236, 17360, 18662, 19460, 21328, 21545, 22240, 23908, 24080, 26660, 29885, 30163, 31136, 34472, 34720, 37324, 38920, 41839, 42656, 43090, 46655, 47816, 48160, 53320, 59770, 60326, 68944, 74648, 77840, 83678, 86180, 93310, 95632, 106640, 119540, 120652, 137888, 149296, 150815, 155680, 167356, 172360, 185287, 186620, 191264, 209195, 213280, 239080, 241304, 298592, 301630, 334712, 344720, 370574, 373240, 418390, 478160, 482608, 603260, 669424, 689440, 741148, 746480, 836780, 926435, 956320, 965216, 1206520, 1297009, 1338848, 1482296, 1492960, 1673560, 1852870, 2413040, 2594018, 2964592, 3347120, 3705740, 4826080, 5188036, 5929184, 6485045, 6694240, 7411480, 10376072, 12970090, 14822960, 20752144, 25940180, 29645920, 41504288, 51880360, 103760720, 207521440]

約数ペア:

[(1, 207521440), (2, 103760720), (4, 51880360), (5, 41504288), (7, 29645920), (8, 25940180), (10, 20752144), (14, 14822960), (16, 12970090), (20, 10376072), (28, 7411480), (31, 6694240), (32, 6485045), (35, 5929184), (40, 5188036), (43, 4826080), (56, 3705740), (62, 3347120), (70, 2964592), (80, 2594018), (86, 2413040), (112, 1852870), (124, 1673560), (139, 1492960), (140, 1482296), (155, 1338848), (160, 1297009), (172, 1206520), (215, 965216), (217, 956320), (224, 926435), (248, 836780), (278, 746480), (280, 741148), (301, 689440), (310, 669424), (344, 603260), (430, 482608), (434, 478160), (496, 418390), (556, 373240), (560, 370574), (602, 344720), (620, 334712), (688, 301630), (695, 298592), (860, 241304), (868, 239080), (973, 213280), (992, 209195), (1085, 191264), (1112, 186620), (1120, 185287), (1204, 172360), (1240, 167356), (1333, 155680), (1376, 150815), (1390, 149296), (1505, 137888), (1720, 120652), (1736, 119540), (1946, 106640), (2170, 95632), (2224, 93310), (2408, 86180), (2480, 83678), (2666, 77840), (2780, 74648), (3010, 68944), (3440, 60326), (3472, 59770), (3892, 53320), (4309, 48160), (4340, 47816), (4448, 46655), (4816, 43090), (4865, 42656), (4960, 41839), (5332, 38920), (5560, 37324), (5977, 34720), (6020, 34472), (6665, 31136), (6880, 30163), (6944, 29885), (7784, 26660), (8618, 24080), (8680, 23908), (9331, 22240), (9632, 21545), (9730, 21328), (10664, 19460), (11120, 18662), (11954, 17360), (12040, 17236), (13330, 15568)]