28253570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 54993600

約数和(自身を除く): 26740030

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 4019, 7030, 8038, 20095, 40190, 76361, 148703, 152722, 297406, 381805, 743515, 763610, 1487030, 2825357, 5650714, 14126785, 28253570]

約数ペア:

[(1, 28253570), (2, 14126785), (5, 5650714), (10, 2825357), (19, 1487030), (37, 763610), (38, 743515), (74, 381805), (95, 297406), (185, 152722), (190, 148703), (370, 76361), (703, 40190), (1406, 20095), (3515, 8038), (4019, 7030)]