7809620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 20578824

約数和(自身を除く): 12769204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 613, 637, 910, 980, 1226, 1274, 1820, 2452, 2548, 3065, 3185, 4291, 6130, 6370, 7969, 8582, 12260, 12740, 15938, 17164, 21455, 30037, 31876, 39845, 42910, 55783, 60074, 79690, 85820, 111566, 120148, 150185, 159380, 223132, 278915, 300370, 390481, 557830, 600740, 780962, 1115660, 1561924, 1952405, 3904810, 7809620]

約数ペア:

[(1, 7809620), (2, 3904810), (4, 1952405), (5, 1561924), (7, 1115660), (10, 780962), (13, 600740), (14, 557830), (20, 390481), (26, 300370), (28, 278915), (35, 223132), (49, 159380), (52, 150185), (65, 120148), (70, 111566), (91, 85820), (98, 79690), (130, 60074), (140, 55783), (182, 42910), (196, 39845), (245, 31876), (260, 30037), (364, 21455), (455, 17164), (490, 15938), (613, 12740), (637, 12260), (910, 8582), (980, 7969), (1226, 6370), (1274, 6130), (1820, 4291), (2452, 3185), (2548, 3065)]