127550740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{503}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 277724160

約数和(自身を除く): 150173420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 503, 620, 818, 1006, 1636, 2012, 2045, 2515, 4090, 5030, 8180, 10060, 12679, 15593, 25358, 31186, 50716, 62372, 63395, 77965, 126790, 155930, 205727, 253580, 311860, 411454, 822908, 1028635, 2057270, 4114540, 6377537, 12755074, 25510148, 31887685, 63775370, 127550740]

約数ペア:

[(1, 127550740), (2, 63775370), (4, 31887685), (5, 25510148), (10, 12755074), (20, 6377537), (31, 4114540), (62, 2057270), (124, 1028635), (155, 822908), (310, 411454), (409, 311860), (503, 253580), (620, 205727), (818, 155930), (1006, 126790), (1636, 77965), (2012, 63395), (2045, 62372), (2515, 50716), (4090, 31186), (5030, 25358), (8180, 15593), (10060, 12679)]