18232900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{61}}^2$

素因数の和:150

約数の個数: 81

約数和(自身を含む): 46791927

約数和(自身を除く): 28559027

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 61, 70, 98, 100, 122, 140, 175, 196, 244, 245, 305, 350, 427, 490, 610, 700, 854, 980, 1220, 1225, 1525, 1708, 2135, 2450, 2989, 3050, 3721, 4270, 4900, 5978, 6100, 7442, 8540, 10675, 11956, 14884, 14945, 18605, 21350, 26047, 29890, 37210, 42700, 52094, 59780, 74420, 74725, 93025, 104188, 130235, 149450, 182329, 186050, 260470, 298900, 364658, 372100, 520940, 651175, 729316, 911645, 1302350, 1823290, 2604700, 3646580, 4558225, 9116450, 18232900]

約数ペア:

[(1, 18232900), (2, 9116450), (4, 4558225), (5, 3646580), (7, 2604700), (10, 1823290), (14, 1302350), (20, 911645), (25, 729316), (28, 651175), (35, 520940), (49, 372100), (50, 364658), (61, 298900), (70, 260470), (98, 186050), (100, 182329), (122, 149450), (140, 130235), (175, 104188), (196, 93025), (244, 74725), (245, 74420), (305, 59780), (350, 52094), (427, 42700), (490, 37210), (610, 29890), (700, 26047), (854, 21350), (980, 18605), (1220, 14945), (1225, 14884), (1525, 11956), (1708, 10675), (2135, 8540), (2450, 7442), (2989, 6100), (3050, 5978), (3721, 4900)]