642109300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 1684892160

約数和(自身を除く): 1042782860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 47, 50, 58, 70, 94, 100, 116, 140, 145, 175, 188, 203, 235, 290, 329, 350, 406, 470, 580, 658, 673, 700, 725, 812, 940, 1015, 1175, 1316, 1346, 1363, 1450, 1645, 2030, 2350, 2692, 2726, 2900, 3290, 3365, 4060, 4700, 4711, 5075, 5452, 6580, 6730, 6815, 8225, 9422, 9541, 10150, 13460, 13630, 16450, 16825, 18844, 19082, 19517, 20300, 23555, 27260, 31631, 32900, 33650, 34075, 38164, 39034, 47110, 47705, 63262, 67300, 68150, 78068, 94220, 95410, 97585, 117775, 126524, 136300, 136619, 158155, 190820, 195170, 221417, 235550, 238525, 273238, 316310, 390340, 442834, 471100, 477050, 487925, 546476, 632620, 683095, 790775, 885668, 917299, 954100, 975850, 1107085, 1366190, 1581550, 1834598, 1951700, 2214170, 2732380, 3163100, 3415475, 3669196, 4428340, 4586495, 5535425, 6421093, 6830950, 9172990, 11070850, 12842186, 13661900, 18345980, 22141700, 22932475, 25684372, 32105465, 45864950, 64210930, 91729900, 128421860, 160527325, 321054650, 642109300]

約数ペア:

[(1, 642109300), (2, 321054650), (4, 160527325), (5, 128421860), (7, 91729900), (10, 64210930), (14, 45864950), (20, 32105465), (25, 25684372), (28, 22932475), (29, 22141700), (35, 18345980), (47, 13661900), (50, 12842186), (58, 11070850), (70, 9172990), (94, 6830950), (100, 6421093), (116, 5535425), (140, 4586495), (145, 4428340), (175, 3669196), (188, 3415475), (203, 3163100), (235, 2732380), (290, 2214170), (329, 1951700), (350, 1834598), (406, 1581550), (470, 1366190), (580, 1107085), (658, 975850), (673, 954100), (700, 917299), (725, 885668), (812, 790775), (940, 683095), (1015, 632620), (1175, 546476), (1316, 487925), (1346, 477050), (1363, 471100), (1450, 442834), (1645, 390340), (2030, 316310), (2350, 273238), (2692, 238525), (2726, 235550), (2900, 221417), (3290, 195170), (3365, 190820), (4060, 158155), (4700, 136619), (4711, 136300), (5075, 126524), (5452, 117775), (6580, 97585), (6730, 95410), (6815, 94220), (8225, 78068), (9422, 68150), (9541, 67300), (10150, 63262), (13460, 47705), (13630, 47110), (16450, 39034), (16825, 38164), (18844, 34075), (19082, 33650), (19517, 32900), (20300, 31631), (23555, 27260)]