1330489000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 3245598720

約数和(自身を除く): 1915109720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 167, 200, 248, 250, 257, 310, 334, 500, 514, 620, 668, 775, 835, 1000, 1028, 1240, 1285, 1336, 1550, 1670, 2056, 2570, 3100, 3340, 3875, 4175, 5140, 5177, 6200, 6425, 6680, 7750, 7967, 8350, 10280, 10354, 12850, 15500, 15934, 16700, 20708, 20875, 25700, 25885, 31000, 31868, 32125, 33400, 39835, 41416, 41750, 42919, 51400, 51770, 63736, 64250, 79670, 83500, 85838, 103540, 128500, 129425, 159340, 167000, 171676, 199175, 207080, 214595, 257000, 258850, 318680, 343352, 398350, 429190, 517700, 647125, 796700, 858380, 995875, 1035400, 1072975, 1294250, 1330489, 1593400, 1716760, 1991750, 2145950, 2588500, 2660978, 3983500, 4291900, 5177000, 5321956, 5364875, 6652445, 7967000, 8583800, 10643912, 10729750, 13304890, 21459500, 26609780, 33262225, 42919000, 53219560, 66524450, 133048900, 166311125, 266097800, 332622250, 665244500, 1330489000]

約数ペア:

[(1, 1330489000), (2, 665244500), (4, 332622250), (5, 266097800), (8, 166311125), (10, 133048900), (20, 66524450), (25, 53219560), (31, 42919000), (40, 33262225), (50, 26609780), (62, 21459500), (100, 13304890), (124, 10729750), (125, 10643912), (155, 8583800), (167, 7967000), (200, 6652445), (248, 5364875), (250, 5321956), (257, 5177000), (310, 4291900), (334, 3983500), (500, 2660978), (514, 2588500), (620, 2145950), (668, 1991750), (775, 1716760), (835, 1593400), (1000, 1330489), (1028, 1294250), (1240, 1072975), (1285, 1035400), (1336, 995875), (1550, 858380), (1670, 796700), (2056, 647125), (2570, 517700), (3100, 429190), (3340, 398350), (3875, 343352), (4175, 318680), (5140, 258850), (5177, 257000), (6200, 214595), (6425, 207080), (6680, 199175), (7750, 171676), (7967, 167000), (8350, 159340), (10280, 129425), (10354, 128500), (12850, 103540), (15500, 85838), (15934, 83500), (16700, 79670), (20708, 64250), (20875, 63736), (25700, 51770), (25885, 51400), (31000, 42919), (31868, 41750), (32125, 41416), (33400, 39835)]