642675972820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{701}}^1\times {\mathrm{2131}}^1$

素因数の和:3294

約数の個数: 144

約数和(自身を含む): 1576525991040

約数和(自身を除く): 933850018220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 701, 878, 980, 1402, 1756, 2131, 2195, 2804, 3073, 3505, 4262, 4390, 4907, 6146, 7010, 8524, 8780, 9814, 10655, 12292, 14020, 14917, 15365, 19628, 21310, 21511, 24535, 29834, 30730, 34349, 42620, 43022, 49070, 59668, 61460, 68698, 74585, 86044, 98140, 104419, 107555, 137396, 149170, 171745, 208838, 215110, 298340, 307739, 343490, 417676, 430220, 522095, 615478, 686980, 935509, 1044190, 1230956, 1493831, 1538695, 1871018, 2088380, 2154173, 2987662, 3077390, 3742036, 4308346, 4677545, 5975324, 6154780, 6548563, 7469155, 8616692, 9355090, 10456817, 10770865, 13097126, 14938310, 15079211, 18710180, 20913634, 21541730, 26194252, 29876620, 30158422, 32742815, 41827268, 43083460, 45839941, 52284085, 60316844, 65485630, 73197719, 75396055, 91679882, 104568170, 130971260, 146395438, 150792110, 183359764, 209136340, 229199705, 292790876, 301584220, 365988595, 458399410, 655791809, 731977190, 916798820, 1311583618, 1463954380, 2623167236, 3278959045, 4590542663, 6557918090, 9181085326, 13115836180, 18362170652, 22952713315, 32133798641, 45905426630, 64267597282, 91810853260, 128535194564, 160668993205, 321337986410, 642675972820]

約数ペア:

[(1, 642675972820), (2, 321337986410), (4, 160668993205), (5, 128535194564), (7, 91810853260), (10, 64267597282), (14, 45905426630), (20, 32133798641), (28, 22952713315), (35, 18362170652), (49, 13115836180), (70, 9181085326), (98, 6557918090), (140, 4590542663), (196, 3278959045), (245, 2623167236), (439, 1463954380), (490, 1311583618), (701, 916798820), (878, 731977190), (980, 655791809), (1402, 458399410), (1756, 365988595), (2131, 301584220), (2195, 292790876), (2804, 229199705), (3073, 209136340), (3505, 183359764), (4262, 150792110), (4390, 146395438), (4907, 130971260), (6146, 104568170), (7010, 91679882), (8524, 75396055), (8780, 73197719), (9814, 65485630), (10655, 60316844), (12292, 52284085), (14020, 45839941), (14917, 43083460), (15365, 41827268), (19628, 32742815), (21310, 30158422), (21511, 29876620), (24535, 26194252), (29834, 21541730), (30730, 20913634), (34349, 18710180), (42620, 15079211), (43022, 14938310), (49070, 13097126), (59668, 10770865), (61460, 10456817), (68698, 9355090), (74585, 8616692), (86044, 7469155), (98140, 6548563), (104419, 6154780), (107555, 5975324), (137396, 4677545), (149170, 4308346), (171745, 3742036), (208838, 3077390), (215110, 2987662), (298340, 2154173), (307739, 2088380), (343490, 1871018), (417676, 1538695), (430220, 1493831), (522095, 1230956), (615478, 1044190), (686980, 935509)]