28946700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 94993920

約数和(自身を除く): 66047220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 71, 75, 90, 100, 108, 135, 142, 150, 151, 180, 213, 225, 270, 284, 300, 302, 355, 426, 450, 453, 540, 604, 639, 675, 710, 755, 852, 900, 906, 1065, 1278, 1350, 1359, 1420, 1510, 1775, 1812, 1917, 2130, 2265, 2556, 2700, 2718, 3020, 3195, 3550, 3775, 3834, 4077, 4260, 4530, 5325, 5436, 6390, 6795, 7100, 7550, 7668, 8154, 9060, 9585, 10650, 10721, 11325, 12780, 13590, 15100, 15975, 16308, 19170, 20385, 21300, 21442, 22650, 27180, 31950, 32163, 33975, 38340, 40770, 42884, 45300, 47925, 53605, 63900, 64326, 67950, 81540, 95850, 96489, 101925, 107210, 128652, 135900, 160815, 191700, 192978, 203850, 214420, 268025, 289467, 321630, 385956, 407700, 482445, 536050, 578934, 643260, 804075, 964890, 1072100, 1157868, 1447335, 1608150, 1929780, 2412225, 2894670, 3216300, 4824450, 5789340, 7236675, 9648900, 14473350, 28946700]

約数ペア:

[(1, 28946700), (2, 14473350), (3, 9648900), (4, 7236675), (5, 5789340), (6, 4824450), (9, 3216300), (10, 2894670), (12, 2412225), (15, 1929780), (18, 1608150), (20, 1447335), (25, 1157868), (27, 1072100), (30, 964890), (36, 804075), (45, 643260), (50, 578934), (54, 536050), (60, 482445), (71, 407700), (75, 385956), (90, 321630), (100, 289467), (108, 268025), (135, 214420), (142, 203850), (150, 192978), (151, 191700), (180, 160815), (213, 135900), (225, 128652), (270, 107210), (284, 101925), (300, 96489), (302, 95850), (355, 81540), (426, 67950), (450, 64326), (453, 63900), (540, 53605), (604, 47925), (639, 45300), (675, 42884), (710, 40770), (755, 38340), (852, 33975), (900, 32163), (906, 31950), (1065, 27180), (1278, 22650), (1350, 21442), (1359, 21300), (1420, 20385), (1510, 19170), (1775, 16308), (1812, 15975), (1917, 15100), (2130, 13590), (2265, 12780), (2556, 11325), (2700, 10721), (2718, 10650), (3020, 9585), (3195, 9060), (3550, 8154), (3775, 7668), (3834, 7550), (4077, 7100), (4260, 6795), (4530, 6390), (5325, 5436)]