237399490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 462672000

約数和(自身を除く): 225272510

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 101, 139, 178, 190, 202, 278, 445, 505, 695, 890, 1010, 1390, 1691, 1919, 2641, 3382, 3838, 5282, 8455, 8989, 9595, 12371, 13205, 14039, 16910, 17978, 19190, 24742, 26410, 28078, 44945, 61855, 70195, 89890, 123710, 140390, 170791, 235049, 266741, 341582, 470098, 533482, 853955, 1175245, 1249471, 1333705, 1707910, 2350490, 2498942, 2667410, 6247355, 12494710, 23739949, 47479898, 118699745, 237399490]

約数ペア:

[(1, 237399490), (2, 118699745), (5, 47479898), (10, 23739949), (19, 12494710), (38, 6247355), (89, 2667410), (95, 2498942), (101, 2350490), (139, 1707910), (178, 1333705), (190, 1249471), (202, 1175245), (278, 853955), (445, 533482), (505, 470098), (695, 341582), (890, 266741), (1010, 235049), (1390, 170791), (1691, 140390), (1919, 123710), (2641, 89890), (3382, 70195), (3838, 61855), (5282, 44945), (8455, 28078), (8989, 26410), (9595, 24742), (12371, 19190), (13205, 17978), (14039, 16910)]