127540970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2789}}^1$

素因数の和:3082

約数の個数: 32

約数和(自身を含む): 244069200

約数和(自身を除く): 116528230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 538, 1345, 2690, 2789, 4573, 5578, 9146, 13945, 22865, 27890, 45730, 47413, 94826, 237065, 474130, 750241, 1500482, 3751205, 7502410, 12754097, 25508194, 63770485, 127540970]

約数ペア:

[(1, 127540970), (2, 63770485), (5, 25508194), (10, 12754097), (17, 7502410), (34, 3751205), (85, 1500482), (170, 750241), (269, 474130), (538, 237065), (1345, 94826), (2690, 47413), (2789, 45730), (4573, 27890), (5578, 22865), (9146, 13945)]