55860140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 141324288

約数和(自身を除く): 85464148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 211, 217, 244, 305, 310, 422, 427, 434, 610, 620, 844, 854, 868, 1055, 1085, 1220, 1477, 1708, 1891, 2110, 2135, 2170, 2954, 3782, 4220, 4270, 4340, 5908, 6541, 7385, 7564, 8540, 9455, 12871, 13082, 13237, 14770, 18910, 25742, 26164, 26474, 29540, 32705, 37820, 45787, 51484, 52948, 64355, 65410, 66185, 90097, 91574, 128710, 130820, 132370, 180194, 183148, 228935, 257420, 264740, 360388, 399001, 450485, 457870, 798002, 900970, 915740, 1596004, 1801940, 1995005, 2793007, 3990010, 5586014, 7980020, 11172028, 13965035, 27930070, 55860140]

約数ペア:

[(1, 55860140), (2, 27930070), (4, 13965035), (5, 11172028), (7, 7980020), (10, 5586014), (14, 3990010), (20, 2793007), (28, 1995005), (31, 1801940), (35, 1596004), (61, 915740), (62, 900970), (70, 798002), (122, 457870), (124, 450485), (140, 399001), (155, 360388), (211, 264740), (217, 257420), (244, 228935), (305, 183148), (310, 180194), (422, 132370), (427, 130820), (434, 128710), (610, 91574), (620, 90097), (844, 66185), (854, 65410), (868, 64355), (1055, 52948), (1085, 51484), (1220, 45787), (1477, 37820), (1708, 32705), (1891, 29540), (2110, 26474), (2135, 26164), (2170, 25742), (2954, 18910), (3782, 14770), (4220, 13237), (4270, 13082), (4340, 12871), (5908, 9455), (6541, 8540), (7385, 7564)]