1997970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 5322240

約数和(自身を除く): 3324270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 109, 130, 141, 195, 218, 235, 282, 327, 390, 470, 545, 611, 654, 705, 1090, 1222, 1410, 1417, 1635, 1833, 2834, 3055, 3270, 3666, 4251, 5123, 6110, 7085, 8502, 9165, 10246, 14170, 15369, 18330, 21255, 25615, 30738, 42510, 51230, 66599, 76845, 133198, 153690, 199797, 332995, 399594, 665990, 998985, 1997970]

約数ペア:

[(1, 1997970), (2, 998985), (3, 665990), (5, 399594), (6, 332995), (10, 199797), (13, 153690), (15, 133198), (26, 76845), (30, 66599), (39, 51230), (47, 42510), (65, 30738), (78, 25615), (94, 21255), (109, 18330), (130, 15369), (141, 14170), (195, 10246), (218, 9165), (235, 8502), (282, 7085), (327, 6110), (390, 5123), (470, 4251), (545, 3666), (611, 3270), (654, 3055), (705, 2834), (1090, 1833), (1222, 1635), (1410, 1417)]