331555700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 877860480

約数和(自身を除く): 546304780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 97, 100, 133, 140, 175, 190, 194, 257, 266, 350, 380, 388, 475, 485, 514, 532, 665, 679, 700, 950, 970, 1028, 1285, 1330, 1358, 1799, 1843, 1900, 1940, 2425, 2570, 2660, 2716, 3325, 3395, 3598, 3686, 4850, 4883, 5140, 6425, 6650, 6790, 7196, 7372, 8995, 9215, 9700, 9766, 12850, 12901, 13300, 13580, 16975, 17990, 18430, 19532, 24415, 24929, 25700, 25802, 33950, 34181, 35980, 36860, 44975, 46075, 48830, 49858, 51604, 64505, 67900, 68362, 89950, 92150, 97660, 99716, 122075, 124645, 129010, 136724, 170905, 174503, 179900, 184300, 244150, 249290, 258020, 322525, 341810, 349006, 473651, 488300, 498580, 623225, 645050, 683620, 698012, 854525, 872515, 947302, 1246450, 1290100, 1709050, 1745030, 1894604, 2368255, 2492900, 3315557, 3418100, 3490060, 4362575, 4736510, 6631114, 8725150, 9473020, 11841275, 13262228, 16577785, 17450300, 23682550, 33155570, 47365100, 66311140, 82888925, 165777850, 331555700]

約数ペア:

[(1, 331555700), (2, 165777850), (4, 82888925), (5, 66311140), (7, 47365100), (10, 33155570), (14, 23682550), (19, 17450300), (20, 16577785), (25, 13262228), (28, 11841275), (35, 9473020), (38, 8725150), (50, 6631114), (70, 4736510), (76, 4362575), (95, 3490060), (97, 3418100), (100, 3315557), (133, 2492900), (140, 2368255), (175, 1894604), (190, 1745030), (194, 1709050), (257, 1290100), (266, 1246450), (350, 947302), (380, 872515), (388, 854525), (475, 698012), (485, 683620), (514, 645050), (532, 623225), (665, 498580), (679, 488300), (700, 473651), (950, 349006), (970, 341810), (1028, 322525), (1285, 258020), (1330, 249290), (1358, 244150), (1799, 184300), (1843, 179900), (1900, 174503), (1940, 170905), (2425, 136724), (2570, 129010), (2660, 124645), (2716, 122075), (3325, 99716), (3395, 97660), (3598, 92150), (3686, 89950), (4850, 68362), (4883, 67900), (5140, 64505), (6425, 51604), (6650, 49858), (6790, 48830), (7196, 46075), (7372, 44975), (8995, 36860), (9215, 35980), (9700, 34181), (9766, 33950), (12850, 25802), (12901, 25700), (13300, 24929), (13580, 24415), (16975, 19532), (17990, 18430)]