2409940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 5902848

約数和(自身を除く): 3492908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 169, 230, 260, 299, 310, 338, 403, 460, 598, 620, 676, 713, 806, 845, 1196, 1426, 1495, 1612, 1690, 2015, 2852, 2990, 3380, 3565, 3887, 4030, 5239, 5980, 7130, 7774, 8060, 9269, 10478, 14260, 15548, 18538, 19435, 20956, 26195, 37076, 38870, 46345, 52390, 77740, 92690, 104780, 120497, 185380, 240994, 481988, 602485, 1204970, 2409940]

約数ペア:

[(1, 2409940), (2, 1204970), (4, 602485), (5, 481988), (10, 240994), (13, 185380), (20, 120497), (23, 104780), (26, 92690), (31, 77740), (46, 52390), (52, 46345), (62, 38870), (65, 37076), (92, 26195), (115, 20956), (124, 19435), (130, 18538), (155, 15548), (169, 14260), (230, 10478), (260, 9269), (299, 8060), (310, 7774), (338, 7130), (403, 5980), (460, 5239), (598, 4030), (620, 3887), (676, 3565), (713, 3380), (806, 2990), (845, 2852), (1196, 2015), (1426, 1690), (1495, 1612)]