201925405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 292163760

約数和(自身を除く): 90238355

約数列:

[1, 5, 11, 17, 29, 55, 85, 121, 145, 187, 319, 493, 605, 677, 935, 1595, 2057, 2465, 3385, 3509, 5423, 7447, 10285, 11509, 17545, 19633, 27115, 37235, 57545, 59653, 81917, 98165, 126599, 215963, 298265, 333761, 409585, 632995, 1079815, 1392589, 1668805, 2375593, 3671371, 6962945, 11877965, 18356855, 40385081, 201925405]

約数ペア:

[(1, 201925405), (5, 40385081), (11, 18356855), (17, 11877965), (29, 6962945), (55, 3671371), (85, 2375593), (121, 1668805), (145, 1392589), (187, 1079815), (319, 632995), (493, 409585), (605, 333761), (677, 298265), (935, 215963), (1595, 126599), (2057, 98165), (2465, 81917), (3385, 59653), (3509, 57545), (5423, 37235), (7447, 27115), (10285, 19633), (11509, 17545)]