101800280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 241056000

約数和(自身を除く): 139255720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1549, 1643, 2120, 3098, 3286, 6196, 6572, 7745, 8215, 12392, 13144, 15490, 16430, 30980, 32860, 48019, 61960, 65720, 82097, 96038, 164194, 192076, 240095, 328388, 384152, 410485, 480190, 656776, 820970, 960380, 1641940, 1920760, 2545007, 3283880, 5090014, 10180028, 12725035, 20360056, 25450070, 50900140, 101800280]

約数ペア:

[(1, 101800280), (2, 50900140), (4, 25450070), (5, 20360056), (8, 12725035), (10, 10180028), (20, 5090014), (31, 3283880), (40, 2545007), (53, 1920760), (62, 1641940), (106, 960380), (124, 820970), (155, 656776), (212, 480190), (248, 410485), (265, 384152), (310, 328388), (424, 240095), (530, 192076), (620, 164194), (1060, 96038), (1240, 82097), (1549, 65720), (1643, 61960), (2120, 48019), (3098, 32860), (3286, 30980), (6196, 16430), (6572, 15490), (7745, 13144), (8215, 12392)]