2054890180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{473477}}^1$

素因数の和:473524

約数の個数: 48

約数和(自身を含む): 5090835456

約数和(自身を除く): 3035945276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 473477, 946954, 1893908, 2367385, 3314339, 4734770, 6628678, 9469540, 13257356, 14677787, 16571695, 29355574, 33143390, 58711148, 66286780, 73388935, 102744509, 146777870, 205489018, 293555740, 410978036, 513722545, 1027445090, 2054890180]

約数ペア:

[(1, 2054890180), (2, 1027445090), (4, 513722545), (5, 410978036), (7, 293555740), (10, 205489018), (14, 146777870), (20, 102744509), (28, 73388935), (31, 66286780), (35, 58711148), (62, 33143390), (70, 29355574), (124, 16571695), (140, 14677787), (155, 13257356), (217, 9469540), (310, 6628678), (434, 4734770), (620, 3314339), (868, 2367385), (1085, 1893908), (2170, 946954), (4340, 473477)]