2877990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 7451136

約数和(自身を除く): 4573146

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 97, 115, 129, 138, 194, 215, 230, 258, 291, 345, 430, 485, 582, 645, 690, 970, 989, 1290, 1455, 1978, 2231, 2910, 2967, 4171, 4462, 4945, 5934, 6693, 8342, 9890, 11155, 12513, 13386, 14835, 20855, 22310, 25026, 29670, 33465, 41710, 62565, 66930, 95933, 125130, 191866, 287799, 479665, 575598, 959330, 1438995, 2877990]

約数ペア:

[(1, 2877990), (2, 1438995), (3, 959330), (5, 575598), (6, 479665), (10, 287799), (15, 191866), (23, 125130), (30, 95933), (43, 66930), (46, 62565), (69, 41710), (86, 33465), (97, 29670), (115, 25026), (129, 22310), (138, 20855), (194, 14835), (215, 13386), (230, 12513), (258, 11155), (291, 9890), (345, 8342), (430, 6693), (485, 5934), (582, 4945), (645, 4462), (690, 4171), (970, 2967), (989, 2910), (1290, 2231), (1455, 1978)]