2920927660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{599}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 7149542400

約数和(自身を除く): 4228614740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 571, 599, 610, 854, 1142, 1198, 1220, 1708, 2135, 2284, 2396, 2855, 2995, 3997, 4193, 4270, 5710, 5990, 7994, 8386, 8540, 11420, 11980, 15988, 16772, 19985, 20965, 34831, 36539, 39970, 41930, 69662, 73078, 79940, 83860, 139324, 146156, 174155, 182695, 243817, 255773, 342029, 348310, 365390, 487634, 511546, 684058, 696620, 730780, 975268, 1023092, 1219085, 1278865, 1368116, 1710145, 2394203, 2438170, 2557730, 3420290, 4788406, 4876340, 5115460, 6840580, 9576812, 11971015, 20863769, 23942030, 41727538, 47884060, 83455076, 104318845, 146046383, 208637690, 292092766, 417275380, 584185532, 730231915, 1460463830, 2920927660]

約数ペア:

[(1, 2920927660), (2, 1460463830), (4, 730231915), (5, 584185532), (7, 417275380), (10, 292092766), (14, 208637690), (20, 146046383), (28, 104318845), (35, 83455076), (61, 47884060), (70, 41727538), (122, 23942030), (140, 20863769), (244, 11971015), (305, 9576812), (427, 6840580), (571, 5115460), (599, 4876340), (610, 4788406), (854, 3420290), (1142, 2557730), (1198, 2438170), (1220, 2394203), (1708, 1710145), (2135, 1368116), (2284, 1278865), (2396, 1219085), (2855, 1023092), (2995, 975268), (3997, 730780), (4193, 696620), (4270, 684058), (5710, 511546), (5990, 487634), (7994, 365390), (8386, 348310), (8540, 342029), (11420, 255773), (11980, 243817), (15988, 182695), (16772, 174155), (19985, 146156), (20965, 139324), (34831, 83860), (36539, 79940), (39970, 73078), (41930, 69662)]