20090119315

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 30529820160

約数和(自身を除く): 10439700845

約数列:

[1, 5, 7, 29, 31, 35, 49, 53, 145, 155, 203, 217, 245, 265, 371, 899, 1015, 1085, 1421, 1519, 1537, 1643, 1721, 1855, 2597, 4495, 6293, 7105, 7595, 7685, 8215, 8605, 10759, 11501, 12047, 12985, 31465, 44051, 47647, 49909, 53351, 53795, 57505, 60235, 75313, 80507, 84329, 91213, 220255, 238235, 249545, 266755, 333529, 349363, 373457, 376565, 402535, 421645, 456065, 638491, 1547179, 1667645, 1746815, 1867285, 2334703, 2445541, 2614199, 2645177, 2827603, 3192455, 4469437, 7735895, 10830253, 11673515, 12227705, 13070995, 13225885, 14138015, 18516239, 19793221, 22347185, 54151265, 75811771, 82000487, 92581195, 98966105, 129613673, 138552547, 379058855, 410002435, 574003409, 648068365, 692762735, 2870017045, 4018023863, 20090119315]

約数ペア:

[(1, 20090119315), (5, 4018023863), (7, 2870017045), (29, 692762735), (31, 648068365), (35, 574003409), (49, 410002435), (53, 379058855), (145, 138552547), (155, 129613673), (203, 98966105), (217, 92581195), (245, 82000487), (265, 75811771), (371, 54151265), (899, 22347185), (1015, 19793221), (1085, 18516239), (1421, 14138015), (1519, 13225885), (1537, 13070995), (1643, 12227705), (1721, 11673515), (1855, 10830253), (2597, 7735895), (4495, 4469437), (6293, 3192455), (7105, 2827603), (7595, 2645177), (7685, 2614199), (8215, 2445541), (8605, 2334703), (10759, 1867285), (11501, 1746815), (12047, 1667645), (12985, 1547179), (31465, 638491), (44051, 456065), (47647, 421645), (49909, 402535), (53351, 376565), (53795, 373457), (57505, 349363), (60235, 333529), (75313, 266755), (80507, 249545), (84329, 238235), (91213, 220255)]