239914480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1171}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 604273824

約数和(自身を除く): 364359344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 520, 788, 985, 1040, 1171, 1576, 1970, 2342, 2561, 3152, 3940, 4684, 5122, 5855, 7880, 9368, 10244, 11710, 12805, 15223, 15760, 18736, 20488, 23420, 25610, 30446, 40976, 46840, 51220, 60892, 76115, 93680, 102440, 121784, 152230, 204880, 230687, 243568, 304460, 461374, 608920, 922748, 1153435, 1217840, 1845496, 2306870, 2998931, 3690992, 4613740, 5997862, 9227480, 11995724, 14994655, 18454960, 23991448, 29989310, 47982896, 59978620, 119957240, 239914480]

約数ペア:

[(1, 239914480), (2, 119957240), (4, 59978620), (5, 47982896), (8, 29989310), (10, 23991448), (13, 18454960), (16, 14994655), (20, 11995724), (26, 9227480), (40, 5997862), (52, 4613740), (65, 3690992), (80, 2998931), (104, 2306870), (130, 1845496), (197, 1217840), (208, 1153435), (260, 922748), (394, 608920), (520, 461374), (788, 304460), (985, 243568), (1040, 230687), (1171, 204880), (1576, 152230), (1970, 121784), (2342, 102440), (2561, 93680), (3152, 76115), (3940, 60892), (4684, 51220), (5122, 46840), (5855, 40976), (7880, 30446), (9368, 25610), (10244, 23420), (11710, 20488), (12805, 18736), (15223, 15760)]