2149264520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 5331916800

約数和(自身を除く): 3182652280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 113, 130, 158, 226, 260, 316, 395, 452, 463, 520, 565, 632, 790, 904, 926, 1027, 1130, 1469, 1580, 1852, 2054, 2260, 2315, 2938, 3160, 3704, 4108, 4520, 4630, 5135, 5876, 6019, 7345, 8216, 8927, 9260, 10270, 11752, 12038, 14690, 17854, 18520, 20540, 24076, 29380, 30095, 35708, 36577, 41080, 44635, 48152, 52319, 58760, 60190, 71416, 73154, 89270, 104638, 116051, 120380, 146308, 178540, 182885, 209276, 232102, 240760, 261595, 292616, 357080, 365770, 418552, 464204, 475501, 523190, 580255, 680147, 731540, 928408, 951002, 1046380, 1160510, 1360294, 1463080, 1902004, 2092760, 2321020, 2377505, 2720588, 3400735, 3804008, 4133201, 4642040, 4755010, 5441176, 6801470, 8266402, 9510020, 13602940, 16532804, 19020040, 20666005, 27205880, 33065608, 41332010, 53731613, 82664020, 107463226, 165328040, 214926452, 268658065, 429852904, 537316130, 1074632260, 2149264520]

約数ペア:

[(1, 2149264520), (2, 1074632260), (4, 537316130), (5, 429852904), (8, 268658065), (10, 214926452), (13, 165328040), (20, 107463226), (26, 82664020), (40, 53731613), (52, 41332010), (65, 33065608), (79, 27205880), (104, 20666005), (113, 19020040), (130, 16532804), (158, 13602940), (226, 9510020), (260, 8266402), (316, 6801470), (395, 5441176), (452, 4755010), (463, 4642040), (520, 4133201), (565, 3804008), (632, 3400735), (790, 2720588), (904, 2377505), (926, 2321020), (1027, 2092760), (1130, 1902004), (1469, 1463080), (1580, 1360294), (1852, 1160510), (2054, 1046380), (2260, 951002), (2315, 928408), (2938, 731540), (3160, 680147), (3704, 580255), (4108, 523190), (4520, 475501), (4630, 464204), (5135, 418552), (5876, 365770), (6019, 357080), (7345, 292616), (8216, 261595), (8927, 240760), (9260, 232102), (10270, 209276), (11752, 182885), (12038, 178540), (14690, 146308), (17854, 120380), (18520, 116051), (20540, 104638), (24076, 89270), (29380, 73154), (30095, 71416), (35708, 60190), (36577, 58760), (41080, 52319), (44635, 48152)]