999735940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{13499}}^1$

素因数の和:13561

約数の個数: 72

約数和(自身を含む): 2508408000

約数和(自身を除く): 1508672060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1610, 2116, 2645, 3220, 3703, 5290, 7406, 10580, 13499, 14812, 18515, 26998, 37030, 53996, 67495, 74060, 94493, 134990, 188986, 269980, 310477, 377972, 472465, 620954, 944930, 1241908, 1552385, 1889860, 2173339, 3104770, 4346678, 6209540, 7140971, 8693356, 10866695, 14281942, 21733390, 28563884, 35704855, 43466780, 49986797, 71409710, 99973594, 142819420, 199947188, 249933985, 499867970, 999735940]

約数ペア:

[(1, 999735940), (2, 499867970), (4, 249933985), (5, 199947188), (7, 142819420), (10, 99973594), (14, 71409710), (20, 49986797), (23, 43466780), (28, 35704855), (35, 28563884), (46, 21733390), (70, 14281942), (92, 10866695), (115, 8693356), (140, 7140971), (161, 6209540), (230, 4346678), (322, 3104770), (460, 2173339), (529, 1889860), (644, 1552385), (805, 1241908), (1058, 944930), (1610, 620954), (2116, 472465), (2645, 377972), (3220, 310477), (3703, 269980), (5290, 188986), (7406, 134990), (10580, 94493), (13499, 74060), (14812, 67495), (18515, 53996), (26998, 37030)]