206431820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 517321728

約数和(自身を除く): 310889908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 53, 70, 86, 106, 140, 172, 212, 215, 265, 301, 371, 430, 530, 602, 647, 742, 860, 1060, 1204, 1294, 1484, 1505, 1855, 2279, 2588, 3010, 3235, 3710, 4529, 4558, 6020, 6470, 7420, 9058, 9116, 11395, 12940, 15953, 18116, 22645, 22790, 27821, 31906, 34291, 45290, 45580, 55642, 63812, 68582, 79765, 90580, 111284, 137164, 139105, 159530, 171455, 194747, 240037, 278210, 319060, 342910, 389494, 480074, 556420, 685820, 778988, 960148, 973735, 1200185, 1474513, 1947470, 2400370, 2949026, 3894940, 4800740, 5898052, 7372565, 10321591, 14745130, 20643182, 29490260, 41286364, 51607955, 103215910, 206431820]

約数ペア:

[(1, 206431820), (2, 103215910), (4, 51607955), (5, 41286364), (7, 29490260), (10, 20643182), (14, 14745130), (20, 10321591), (28, 7372565), (35, 5898052), (43, 4800740), (53, 3894940), (70, 2949026), (86, 2400370), (106, 1947470), (140, 1474513), (172, 1200185), (212, 973735), (215, 960148), (265, 778988), (301, 685820), (371, 556420), (430, 480074), (530, 389494), (602, 342910), (647, 319060), (742, 278210), (860, 240037), (1060, 194747), (1204, 171455), (1294, 159530), (1484, 139105), (1505, 137164), (1855, 111284), (2279, 90580), (2588, 79765), (3010, 68582), (3235, 63812), (3710, 55642), (4529, 45580), (4558, 45290), (6020, 34291), (6470, 31906), (7420, 27821), (9058, 22790), (9116, 22645), (11395, 18116), (12940, 15953)]