847960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 2138400

約数和(自身を除く): 1290440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 43, 58, 68, 85, 86, 116, 136, 145, 170, 172, 215, 232, 290, 340, 344, 430, 493, 580, 680, 731, 860, 986, 1160, 1247, 1462, 1720, 1972, 2465, 2494, 2924, 3655, 3944, 4930, 4988, 5848, 6235, 7310, 9860, 9976, 12470, 14620, 19720, 21199, 24940, 29240, 42398, 49880, 84796, 105995, 169592, 211990, 423980, 847960]

約数ペア:

[(1, 847960), (2, 423980), (4, 211990), (5, 169592), (8, 105995), (10, 84796), (17, 49880), (20, 42398), (29, 29240), (34, 24940), (40, 21199), (43, 19720), (58, 14620), (68, 12470), (85, 9976), (86, 9860), (116, 7310), (136, 6235), (145, 5848), (170, 4988), (172, 4930), (215, 3944), (232, 3655), (290, 2924), (340, 2494), (344, 2465), (430, 1972), (493, 1720), (580, 1462), (680, 1247), (731, 1160), (860, 986)]