1285738270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 2444105664

約数和(自身を除く): 1158367394

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 233, 313, 410, 430, 466, 626, 1165, 1565, 1763, 2330, 3130, 3526, 8815, 9553, 10019, 12833, 13459, 17630, 19106, 20038, 25666, 26918, 47765, 50095, 64165, 67295, 72929, 95530, 100190, 128330, 134590, 145858, 364645, 410779, 551819, 729290, 821558, 1103638, 2053895, 2759095, 2990089, 3135947, 4107790, 5518190, 5980178, 6271894, 14950445, 15679735, 29900890, 31359470, 128573827, 257147654, 642869135, 1285738270]

約数ペア:

[(1, 1285738270), (2, 642869135), (5, 257147654), (10, 128573827), (41, 31359470), (43, 29900890), (82, 15679735), (86, 14950445), (205, 6271894), (215, 5980178), (233, 5518190), (313, 4107790), (410, 3135947), (430, 2990089), (466, 2759095), (626, 2053895), (1165, 1103638), (1565, 821558), (1763, 729290), (2330, 551819), (3130, 410779), (3526, 364645), (8815, 145858), (9553, 134590), (10019, 128330), (12833, 100190), (13459, 95530), (17630, 72929), (19106, 67295), (20038, 64165), (25666, 50095), (26918, 47765)]