20148240140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1\times {\mathrm{859}}^1$

素因数の和:1815

約数の個数: 96

約数和(自身を含む): 48683980800

約数和(自身を除く): 28535740660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 701, 859, 956, 1195, 1402, 1673, 1718, 2390, 2804, 3346, 3436, 3505, 4295, 4780, 4907, 6013, 6692, 7010, 8365, 8590, 9814, 12026, 14020, 16730, 17180, 19628, 24052, 24535, 30065, 33460, 49070, 60130, 98140, 120260, 167539, 205301, 335078, 410602, 602159, 670156, 821204, 837695, 1026505, 1172773, 1204318, 1437107, 1675390, 2053010, 2345546, 2408636, 2874214, 3010795, 3350780, 4106020, 4215113, 4691092, 5748428, 5863865, 6021590, 7185535, 8430226, 11727730, 12043180, 14371070, 16860452, 21075565, 23455460, 28742140, 42151130, 84302260, 143916001, 287832002, 575664004, 719580005, 1007412007, 1439160010, 2014824014, 2878320020, 4029648028, 5037060035, 10074120070, 20148240140]

約数ペア:

[(1, 20148240140), (2, 10074120070), (4, 5037060035), (5, 4029648028), (7, 2878320020), (10, 2014824014), (14, 1439160010), (20, 1007412007), (28, 719580005), (35, 575664004), (70, 287832002), (140, 143916001), (239, 84302260), (478, 42151130), (701, 28742140), (859, 23455460), (956, 21075565), (1195, 16860452), (1402, 14371070), (1673, 12043180), (1718, 11727730), (2390, 8430226), (2804, 7185535), (3346, 6021590), (3436, 5863865), (3505, 5748428), (4295, 4691092), (4780, 4215113), (4907, 4106020), (6013, 3350780), (6692, 3010795), (7010, 2874214), (8365, 2408636), (8590, 2345546), (9814, 2053010), (12026, 1675390), (14020, 1437107), (16730, 1204318), (17180, 1172773), (19628, 1026505), (24052, 837695), (24535, 821204), (30065, 670156), (33460, 602159), (49070, 410602), (60130, 335078), (98140, 205301), (120260, 167539)]