249428000

素因数分解:

$2^5\times 5^3\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 618928128

約数和(自身を除く): 369500128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 127, 160, 200, 250, 254, 400, 491, 500, 508, 635, 800, 982, 1000, 1016, 1270, 1964, 2000, 2032, 2455, 2540, 3175, 3928, 4000, 4064, 4910, 5080, 6350, 7856, 9820, 10160, 12275, 12700, 15712, 15875, 19640, 20320, 24550, 25400, 31750, 39280, 49100, 50800, 61375, 62357, 63500, 78560, 98200, 101600, 122750, 124714, 127000, 196400, 245500, 249428, 254000, 311785, 392800, 491000, 498856, 508000, 623570, 982000, 997712, 1247140, 1558925, 1964000, 1995424, 2494280, 3117850, 4988560, 6235700, 7794625, 9977120, 12471400, 15589250, 24942800, 31178500, 49885600, 62357000, 124714000, 249428000]

約数ペア:

[(1, 249428000), (2, 124714000), (4, 62357000), (5, 49885600), (8, 31178500), (10, 24942800), (16, 15589250), (20, 12471400), (25, 9977120), (32, 7794625), (40, 6235700), (50, 4988560), (80, 3117850), (100, 2494280), (125, 1995424), (127, 1964000), (160, 1558925), (200, 1247140), (250, 997712), (254, 982000), (400, 623570), (491, 508000), (500, 498856), (508, 491000), (635, 392800), (800, 311785), (982, 254000), (1000, 249428), (1016, 245500), (1270, 196400), (1964, 127000), (2000, 124714), (2032, 122750), (2455, 101600), (2540, 98200), (3175, 78560), (3928, 63500), (4000, 62357), (4064, 61375), (4910, 50800), (5080, 49100), (6350, 39280), (7856, 31750), (9820, 25400), (10160, 24550), (12275, 20320), (12700, 19640), (15712, 15875)]