380990120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6907}}^1$

素因数の和:7122

約数の個数: 64

約数和(自身を含む): 984804480

約数和(自身を除く): 603814360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 6907, 7880, 11032, 13790, 13814, 27580, 27628, 34535, 48349, 55160, 55256, 69070, 96698, 138140, 193396, 241745, 276280, 386792, 483490, 966980, 1360679, 1933960, 2721358, 5442716, 6803395, 9524753, 10885432, 13606790, 19049506, 27213580, 38099012, 47623765, 54427160, 76198024, 95247530, 190495060, 380990120]

約数ペア:

[(1, 380990120), (2, 190495060), (4, 95247530), (5, 76198024), (7, 54427160), (8, 47623765), (10, 38099012), (14, 27213580), (20, 19049506), (28, 13606790), (35, 10885432), (40, 9524753), (56, 6803395), (70, 5442716), (140, 2721358), (197, 1933960), (280, 1360679), (394, 966980), (788, 483490), (985, 386792), (1379, 276280), (1576, 241745), (1970, 193396), (2758, 138140), (3940, 96698), (5516, 69070), (6895, 55256), (6907, 55160), (7880, 48349), (11032, 34535), (13790, 27628), (13814, 27580)]