340460620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{12619}}^1$

素因数の和:12718

約数の個数: 48

約数和(自身を含む): 763257600

約数和(自身を除く): 422796980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 12619, 13490, 25238, 26980, 50476, 63095, 126190, 239761, 252380, 479522, 895949, 959044, 1198805, 1791898, 2397610, 3583796, 4479745, 4795220, 8959490, 17023031, 17918980, 34046062, 68092124, 85115155, 170230310, 340460620]

約数ペア:

[(1, 340460620), (2, 170230310), (4, 85115155), (5, 68092124), (10, 34046062), (19, 17918980), (20, 17023031), (38, 8959490), (71, 4795220), (76, 4479745), (95, 3583796), (142, 2397610), (190, 1791898), (284, 1198805), (355, 959044), (380, 895949), (710, 479522), (1349, 252380), (1420, 239761), (2698, 126190), (5396, 63095), (6745, 50476), (12619, 26980), (13490, 25238)]