1270721930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1\times {\mathrm{3089}}^1$

素因数の和:4454

約数の個数: 32

約数和(自身を含む): 2363627520

約数和(自身を除く): 1092905590

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1327, 2654, 3089, 6178, 6635, 13270, 15445, 30890, 41137, 82274, 95759, 191518, 205685, 411370, 478795, 957590, 4099103, 8198206, 20495515, 40991030, 127072193, 254144386, 635360965, 1270721930]

約数ペア:

[(1, 1270721930), (2, 635360965), (5, 254144386), (10, 127072193), (31, 40991030), (62, 20495515), (155, 8198206), (310, 4099103), (1327, 957590), (2654, 478795), (3089, 411370), (6178, 205685), (6635, 191518), (13270, 95759), (15445, 82274), (30890, 41137)]