212878240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 524289024

約数和(自身を除く): 311410784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 167, 248, 257, 310, 334, 496, 514, 620, 668, 835, 992, 1028, 1240, 1285, 1336, 1670, 2056, 2480, 2570, 2672, 3340, 4112, 4960, 5140, 5177, 5344, 6680, 7967, 8224, 10280, 10354, 13360, 15934, 20560, 20708, 25885, 26720, 31868, 39835, 41120, 41416, 42919, 51770, 63736, 79670, 82832, 85838, 103540, 127472, 159340, 165664, 171676, 207080, 214595, 254944, 318680, 343352, 414160, 429190, 637360, 686704, 828320, 858380, 1274720, 1330489, 1373408, 1716760, 2660978, 3433520, 5321956, 6652445, 6867040, 10643912, 13304890, 21287824, 26609780, 42575648, 53219560, 106439120, 212878240]

約数ペア:

[(1, 212878240), (2, 106439120), (4, 53219560), (5, 42575648), (8, 26609780), (10, 21287824), (16, 13304890), (20, 10643912), (31, 6867040), (32, 6652445), (40, 5321956), (62, 3433520), (80, 2660978), (124, 1716760), (155, 1373408), (160, 1330489), (167, 1274720), (248, 858380), (257, 828320), (310, 686704), (334, 637360), (496, 429190), (514, 414160), (620, 343352), (668, 318680), (835, 254944), (992, 214595), (1028, 207080), (1240, 171676), (1285, 165664), (1336, 159340), (1670, 127472), (2056, 103540), (2480, 85838), (2570, 82832), (2672, 79670), (3340, 63736), (4112, 51770), (4960, 42919), (5140, 41416), (5177, 41120), (5344, 39835), (6680, 31868), (7967, 26720), (8224, 25885), (10280, 20708), (10354, 20560), (13360, 15934)]