7584220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 18960480

約数和(自身を除く): 11376260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 109, 140, 142, 196, 218, 245, 284, 355, 436, 490, 497, 545, 710, 763, 980, 994, 1090, 1420, 1526, 1988, 2180, 2485, 3052, 3479, 3815, 4970, 5341, 6958, 7630, 7739, 9940, 10682, 13916, 15260, 15478, 17395, 21364, 26705, 30956, 34790, 38695, 53410, 54173, 69580, 77390, 106820, 108346, 154780, 216692, 270865, 379211, 541730, 758422, 1083460, 1516844, 1896055, 3792110, 7584220]

約数ペア:

[(1, 7584220), (2, 3792110), (4, 1896055), (5, 1516844), (7, 1083460), (10, 758422), (14, 541730), (20, 379211), (28, 270865), (35, 216692), (49, 154780), (70, 108346), (71, 106820), (98, 77390), (109, 69580), (140, 54173), (142, 53410), (196, 38695), (218, 34790), (245, 30956), (284, 26705), (355, 21364), (436, 17395), (490, 15478), (497, 15260), (545, 13916), (710, 10682), (763, 9940), (980, 7739), (994, 7630), (1090, 6958), (1420, 5341), (1526, 4970), (1988, 3815), (2180, 3479), (2485, 3052)]