19869900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 58121280

約数和(自身を除く): 38251380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 107, 150, 214, 300, 321, 428, 535, 619, 642, 1070, 1238, 1284, 1605, 1857, 2140, 2476, 2675, 3095, 3210, 3714, 5350, 6190, 6420, 7428, 8025, 9285, 10700, 12380, 15475, 16050, 18570, 30950, 32100, 37140, 46425, 61900, 66233, 92850, 132466, 185700, 198699, 264932, 331165, 397398, 662330, 794796, 993495, 1324660, 1655825, 1986990, 3311650, 3973980, 4967475, 6623300, 9934950, 19869900]

約数ペア:

[(1, 19869900), (2, 9934950), (3, 6623300), (4, 4967475), (5, 3973980), (6, 3311650), (10, 1986990), (12, 1655825), (15, 1324660), (20, 993495), (25, 794796), (30, 662330), (50, 397398), (60, 331165), (75, 264932), (100, 198699), (107, 185700), (150, 132466), (214, 92850), (300, 66233), (321, 61900), (428, 46425), (535, 37140), (619, 32100), (642, 30950), (1070, 18570), (1238, 16050), (1284, 15475), (1605, 12380), (1857, 10700), (2140, 9285), (2476, 8025), (2675, 7428), (3095, 6420), (3210, 6190), (3714, 5350)]