2138704220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{244703}}^1$

素因数の和:244754

約数の個数: 48

約数和(自身を含む): 4933232640

約数和(自身を除く): 2794528420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 244703, 489406, 978812, 1223515, 2447030, 4649357, 4894060, 5628169, 9298714, 11256338, 18597428, 22512676, 23246785, 28140845, 46493570, 56281690, 92987140, 106935211, 112563380, 213870422, 427740844, 534676055, 1069352110, 2138704220]

約数ペア:

[(1, 2138704220), (2, 1069352110), (4, 534676055), (5, 427740844), (10, 213870422), (19, 112563380), (20, 106935211), (23, 92987140), (38, 56281690), (46, 46493570), (76, 28140845), (92, 23246785), (95, 22512676), (115, 18597428), (190, 11256338), (230, 9298714), (380, 5628169), (437, 4894060), (460, 4649357), (874, 2447030), (1748, 1223515), (2185, 978812), (4370, 489406), (8740, 244703)]