1900881808

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{14797}}^1$

素因数の和:14880

約数の個数: 80

約数和(自身を含む): 4462603264

約数和(自身を除く): 2561721456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1147, 1736, 2072, 2294, 3472, 4144, 4588, 8029, 9176, 14797, 16058, 18352, 29594, 32116, 59188, 64232, 103579, 118376, 128464, 207158, 236752, 414316, 458707, 547489, 828632, 917414, 1094978, 1657264, 1834828, 2189956, 3210949, 3669656, 3832423, 4379912, 6421898, 7339312, 7664846, 8759824, 12843796, 15329692, 16972159, 25687592, 30659384, 33944318, 51375184, 61318768, 67888636, 118805113, 135777272, 237610226, 271554544, 475220452, 950440904, 1900881808]

約数ペア:

[(1, 1900881808), (2, 950440904), (4, 475220452), (7, 271554544), (8, 237610226), (14, 135777272), (16, 118805113), (28, 67888636), (31, 61318768), (37, 51375184), (56, 33944318), (62, 30659384), (74, 25687592), (112, 16972159), (124, 15329692), (148, 12843796), (217, 8759824), (248, 7664846), (259, 7339312), (296, 6421898), (434, 4379912), (496, 3832423), (518, 3669656), (592, 3210949), (868, 2189956), (1036, 1834828), (1147, 1657264), (1736, 1094978), (2072, 917414), (2294, 828632), (3472, 547489), (4144, 458707), (4588, 414316), (8029, 236752), (9176, 207158), (14797, 128464), (16058, 118376), (18352, 103579), (29594, 64232), (32116, 59188)]