199345020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1451

約数の個数: 96

約数和(自身を含む): 639830016

約数和(自身を除く): 440484996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 521, 911, 1042, 1563, 1822, 2084, 2605, 2733, 3126, 3644, 3647, 4555, 5210, 5466, 6252, 6377, 7294, 7815, 9110, 10420, 10932, 10941, 12754, 13665, 14588, 15630, 18220, 18235, 19131, 21882, 25508, 27330, 31260, 31885, 36470, 38262, 43764, 54660, 54705, 63770, 72940, 76524, 95655, 109410, 127540, 191310, 218820, 382620, 474631, 949262, 1423893, 1898524, 2373155, 2847786, 3322417, 4746310, 5695572, 6644834, 7119465, 9492620, 9967251, 13289668, 14238930, 16612085, 19934502, 28477860, 33224170, 39869004, 49836255, 66448340, 99672510, 199345020]

約数ペア:

[(1, 199345020), (2, 99672510), (3, 66448340), (4, 49836255), (5, 39869004), (6, 33224170), (7, 28477860), (10, 19934502), (12, 16612085), (14, 14238930), (15, 13289668), (20, 9967251), (21, 9492620), (28, 7119465), (30, 6644834), (35, 5695572), (42, 4746310), (60, 3322417), (70, 2847786), (84, 2373155), (105, 1898524), (140, 1423893), (210, 949262), (420, 474631), (521, 382620), (911, 218820), (1042, 191310), (1563, 127540), (1822, 109410), (2084, 95655), (2605, 76524), (2733, 72940), (3126, 63770), (3644, 54705), (3647, 54660), (4555, 43764), (5210, 38262), (5466, 36470), (6252, 31885), (6377, 31260), (7294, 27330), (7815, 25508), (9110, 21882), (10420, 19131), (10932, 18235), (10941, 18220), (12754, 15630), (13665, 14588)]