778831880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 1884918600

約数和(自身を除く): 1106086720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 289, 340, 356, 445, 578, 680, 712, 757, 890, 1156, 1445, 1513, 1514, 1780, 2312, 2890, 3026, 3028, 3560, 3785, 5780, 6052, 6056, 7565, 7570, 11560, 12104, 12869, 15130, 15140, 25721, 25738, 30260, 30280, 51442, 51476, 60520, 64345, 67373, 102884, 102952, 128605, 128690, 134746, 205768, 218773, 257210, 257380, 269492, 336865, 437546, 514420, 514760, 538984, 673730, 875092, 1028840, 1093865, 1145341, 1347460, 1750184, 2187730, 2290682, 2694920, 4375460, 4581364, 5726705, 8750920, 9162728, 11453410, 19470797, 22906820, 38941594, 45813640, 77883188, 97353985, 155766376, 194707970, 389415940, 778831880]

約数ペア:

[(1, 778831880), (2, 389415940), (4, 194707970), (5, 155766376), (8, 97353985), (10, 77883188), (17, 45813640), (20, 38941594), (34, 22906820), (40, 19470797), (68, 11453410), (85, 9162728), (89, 8750920), (136, 5726705), (170, 4581364), (178, 4375460), (289, 2694920), (340, 2290682), (356, 2187730), (445, 1750184), (578, 1347460), (680, 1145341), (712, 1093865), (757, 1028840), (890, 875092), (1156, 673730), (1445, 538984), (1513, 514760), (1514, 514420), (1780, 437546), (2312, 336865), (2890, 269492), (3026, 257380), (3028, 257210), (3560, 218773), (3785, 205768), (5780, 134746), (6052, 128690), (6056, 128605), (7565, 102952), (7570, 102884), (11560, 67373), (12104, 64345), (12869, 60520), (15130, 51476), (15140, 51442), (25721, 30280), (25738, 30260)]