1490789400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 192

約数和(自身を含む): 4893436800

約数和(自身を除く): 3402647400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 251, 285, 300, 380, 456, 475, 502, 521, 570, 600, 753, 760, 950, 1004, 1042, 1140, 1255, 1425, 1506, 1563, 1900, 2008, 2084, 2280, 2510, 2605, 2850, 3012, 3126, 3765, 3800, 4168, 4769, 5020, 5210, 5700, 6024, 6252, 6275, 7530, 7815, 9538, 9899, 10040, 10420, 11400, 12504, 12550, 13025, 14307, 15060, 15630, 18825, 19076, 19798, 20840, 23845, 25100, 26050, 28614, 29697, 30120, 31260, 37650, 38152, 39075, 39596, 47690, 49495, 50200, 52100, 57228, 59394, 62520, 71535, 75300, 78150, 79192, 95380, 98990, 104200, 114456, 118788, 119225, 130771, 143070, 148485, 150600, 156300, 190760, 197980, 237576, 238450, 247475, 261542, 286140, 296970, 312600, 357675, 392313, 395960, 476900, 494950, 523084, 572280, 593940, 653855, 715350, 742425, 784626, 953800, 989900, 1046168, 1187880, 1307710, 1430700, 1484850, 1569252, 1961565, 1979800, 2484649, 2615420, 2861400, 2969700, 3138504, 3269275, 3923130, 4969298, 5230840, 5939400, 6538550, 7453947, 7846260, 9807825, 9938596, 12423245, 13077100, 14907894, 15692520, 19615650, 19877192, 24846490, 26154200, 29815788, 37269735, 39231300, 49692980, 59631576, 62116225, 74539470, 78462600, 99385960, 124232450, 149078940, 186348675, 248464900, 298157880, 372697350, 496929800, 745394700, 1490789400]

約数ペア:

[(1, 1490789400), (2, 745394700), (3, 496929800), (4, 372697350), (5, 298157880), (6, 248464900), (8, 186348675), (10, 149078940), (12, 124232450), (15, 99385960), (19, 78462600), (20, 74539470), (24, 62116225), (25, 59631576), (30, 49692980), (38, 39231300), (40, 37269735), (50, 29815788), (57, 26154200), (60, 24846490), (75, 19877192), (76, 19615650), (95, 15692520), (100, 14907894), (114, 13077100), (120, 12423245), (150, 9938596), (152, 9807825), (190, 7846260), (200, 7453947), (228, 6538550), (251, 5939400), (285, 5230840), (300, 4969298), (380, 3923130), (456, 3269275), (475, 3138504), (502, 2969700), (521, 2861400), (570, 2615420), (600, 2484649), (753, 1979800), (760, 1961565), (950, 1569252), (1004, 1484850), (1042, 1430700), (1140, 1307710), (1255, 1187880), (1425, 1046168), (1506, 989900), (1563, 953800), (1900, 784626), (2008, 742425), (2084, 715350), (2280, 653855), (2510, 593940), (2605, 572280), (2850, 523084), (3012, 494950), (3126, 476900), (3765, 395960), (3800, 392313), (4168, 357675), (4769, 312600), (5020, 296970), (5210, 286140), (5700, 261542), (6024, 247475), (6252, 238450), (6275, 237576), (7530, 197980), (7815, 190760), (9538, 156300), (9899, 150600), (10040, 148485), (10420, 143070), (11400, 130771), (12504, 119225), (12550, 118788), (13025, 114456), (14307, 104200), (15060, 98990), (15630, 95380), (18825, 79192), (19076, 78150), (19798, 75300), (20840, 71535), (23845, 62520), (25100, 59394), (26050, 57228), (28614, 52100), (29697, 50200), (30120, 49495), (31260, 47690), (37650, 39596), (38152, 39075)]