245156940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{194569}}^1$

素因数の和:194591

約数の個数: 72

約数和(自身を含む): 849881760

約数和(自身を除く): 604724820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 194569, 389138, 583707, 778276, 972845, 1167414, 1361983, 1751121, 1945690, 2334828, 2723966, 2918535, 3502242, 3891380, 4085949, 5447932, 5837070, 6809915, 7004484, 8171898, 8755605, 11674140, 12257847, 13619830, 16343796, 17511210, 20429745, 24515694, 27239660, 35022420, 40859490, 49031388, 61289235, 81718980, 122578470, 245156940]

約数ペア:

[(1, 245156940), (2, 122578470), (3, 81718980), (4, 61289235), (5, 49031388), (6, 40859490), (7, 35022420), (9, 27239660), (10, 24515694), (12, 20429745), (14, 17511210), (15, 16343796), (18, 13619830), (20, 12257847), (21, 11674140), (28, 8755605), (30, 8171898), (35, 7004484), (36, 6809915), (42, 5837070), (45, 5447932), (60, 4085949), (63, 3891380), (70, 3502242), (84, 2918535), (90, 2723966), (105, 2334828), (126, 1945690), (140, 1751121), (180, 1361983), (210, 1167414), (252, 972845), (315, 778276), (420, 583707), (630, 389138), (1260, 194569)]