208979680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:529

約数の個数: 192

約数和(自身を含む): 628604928

約数和(自身を除く): 419625248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 463, 496, 520, 560, 620, 728, 806, 868, 910, 926, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1852, 2015, 2080, 2170, 2315, 2480, 2821, 2912, 3224, 3241, 3472, 3640, 3704, 4030, 4340, 4630, 4960, 5642, 6019, 6448, 6482, 6944, 7280, 7408, 8060, 8680, 9260, 11284, 12038, 12896, 12964, 14105, 14353, 14560, 14816, 16120, 16205, 17360, 18520, 22568, 24076, 25928, 28210, 28706, 30095, 32240, 32410, 34720, 37040, 42133, 45136, 48152, 51856, 56420, 57412, 60190, 64480, 64820, 71765, 74080, 84266, 90272, 96304, 100471, 103712, 112840, 114824, 120380, 129640, 143530, 168532, 186589, 192608, 200942, 210665, 225680, 229648, 240760, 259280, 287060, 337064, 373178, 401884, 421330, 451360, 459296, 481520, 502355, 518560, 574120, 674128, 746356, 803768, 842660, 932945, 963040, 1004710, 1148240, 1306123, 1348256, 1492712, 1607536, 1685320, 1865890, 2009420, 2296480, 2612246, 2985424, 3215072, 3370640, 3731780, 4018840, 5224492, 5970848, 6530615, 6741280, 7463560, 8037680, 10448984, 13061230, 14927120, 16075360, 20897968, 26122460, 29854240, 41795936, 52244920, 104489840, 208979680]

約数ペア:

[(1, 208979680), (2, 104489840), (4, 52244920), (5, 41795936), (7, 29854240), (8, 26122460), (10, 20897968), (13, 16075360), (14, 14927120), (16, 13061230), (20, 10448984), (26, 8037680), (28, 7463560), (31, 6741280), (32, 6530615), (35, 5970848), (40, 5224492), (52, 4018840), (56, 3731780), (62, 3370640), (65, 3215072), (70, 2985424), (80, 2612246), (91, 2296480), (104, 2009420), (112, 1865890), (124, 1685320), (130, 1607536), (140, 1492712), (155, 1348256), (160, 1306123), (182, 1148240), (208, 1004710), (217, 963040), (224, 932945), (248, 842660), (260, 803768), (280, 746356), (310, 674128), (364, 574120), (403, 518560), (416, 502355), (434, 481520), (455, 459296), (463, 451360), (496, 421330), (520, 401884), (560, 373178), (620, 337064), (728, 287060), (806, 259280), (868, 240760), (910, 229648), (926, 225680), (992, 210665), (1040, 200942), (1085, 192608), (1120, 186589), (1240, 168532), (1456, 143530), (1612, 129640), (1736, 120380), (1820, 114824), (1852, 112840), (2015, 103712), (2080, 100471), (2170, 96304), (2315, 90272), (2480, 84266), (2821, 74080), (2912, 71765), (3224, 64820), (3241, 64480), (3472, 60190), (3640, 57412), (3704, 56420), (4030, 51856), (4340, 48152), (4630, 45136), (4960, 42133), (5642, 37040), (6019, 34720), (6448, 32410), (6482, 32240), (6944, 30095), (7280, 28706), (7408, 28210), (8060, 25928), (8680, 24076), (9260, 22568), (11284, 18520), (12038, 17360), (12896, 16205), (12964, 16120), (14105, 14816), (14353, 14560)]