79944400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 206499680

約数和(自身を除く): 126555280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 67, 76, 80, 95, 100, 134, 152, 157, 190, 200, 268, 304, 314, 335, 380, 400, 475, 536, 628, 670, 760, 785, 950, 1072, 1256, 1273, 1340, 1520, 1570, 1675, 1900, 2512, 2546, 2680, 2983, 3140, 3350, 3800, 3925, 5092, 5360, 5966, 6280, 6365, 6700, 7600, 7850, 10184, 10519, 11932, 12560, 12730, 13400, 14915, 15700, 20368, 21038, 23864, 25460, 26800, 29830, 31400, 31825, 42076, 47728, 50920, 52595, 59660, 62800, 63650, 74575, 84152, 101840, 105190, 119320, 127300, 149150, 168304, 199861, 210380, 238640, 254600, 262975, 298300, 399722, 420760, 509200, 525950, 596600, 799444, 841520, 999305, 1051900, 1193200, 1598888, 1998610, 2103800, 3197776, 3997220, 4207600, 4996525, 7994440, 9993050, 15988880, 19986100, 39972200, 79944400]

約数ペア:

[(1, 79944400), (2, 39972200), (4, 19986100), (5, 15988880), (8, 9993050), (10, 7994440), (16, 4996525), (19, 4207600), (20, 3997220), (25, 3197776), (38, 2103800), (40, 1998610), (50, 1598888), (67, 1193200), (76, 1051900), (80, 999305), (95, 841520), (100, 799444), (134, 596600), (152, 525950), (157, 509200), (190, 420760), (200, 399722), (268, 298300), (304, 262975), (314, 254600), (335, 238640), (380, 210380), (400, 199861), (475, 168304), (536, 149150), (628, 127300), (670, 119320), (760, 105190), (785, 101840), (950, 84152), (1072, 74575), (1256, 63650), (1273, 62800), (1340, 59660), (1520, 52595), (1570, 50920), (1675, 47728), (1900, 42076), (2512, 31825), (2546, 31400), (2680, 29830), (2983, 26800), (3140, 25460), (3350, 23864), (3800, 21038), (3925, 20368), (5092, 15700), (5360, 14915), (5966, 13400), (6280, 12730), (6365, 12560), (6700, 11932), (7600, 10519), (7850, 10184)]