280496845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 366405120

約数和(自身を除く): 85908275

約数列:

[1, 5, 23, 29, 115, 145, 151, 557, 667, 755, 2785, 3335, 3473, 4379, 12811, 16153, 17365, 21895, 64055, 80765, 84107, 100717, 371519, 420535, 503585, 1857595, 1934461, 2439103, 9672305, 12195515, 56099369, 280496845]

約数ペア:

[(1, 280496845), (5, 56099369), (23, 12195515), (29, 9672305), (115, 2439103), (145, 1934461), (151, 1857595), (557, 503585), (667, 420535), (755, 371519), (2785, 100717), (3335, 84107), (3473, 80765), (4379, 64055), (12811, 21895), (16153, 17365)]