2015219980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{61703}}^1$

素因数の和:61806

約数の個数: 48

約数和(自身を含む): 4478229504

約数和(自身を除く): 2463009524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 16330, 32660, 61703, 123406, 246812, 308515, 617030, 1234060, 1419169, 2838338, 4380913, 5676676, 7095845, 8761826, 14191690, 17523652, 21904565, 28383380, 43809130, 87618260, 100760999, 201521998, 403043996, 503804995, 1007609990, 2015219980]

約数ペア:

[(1, 2015219980), (2, 1007609990), (4, 503804995), (5, 403043996), (10, 201521998), (20, 100760999), (23, 87618260), (46, 43809130), (71, 28383380), (92, 21904565), (115, 17523652), (142, 14191690), (230, 8761826), (284, 7095845), (355, 5676676), (460, 4380913), (710, 2838338), (1420, 1419169), (1633, 1234060), (3266, 617030), (6532, 308515), (8165, 246812), (16330, 123406), (32660, 61703)]