2478007700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{17789}}^1$

素因数の和:18009

約数の個数: 72

約数和(自身を含む): 6176688000

約数和(自身を除く): 3698680300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 199, 350, 398, 700, 796, 995, 1393, 1990, 2786, 3980, 4975, 5572, 6965, 9950, 13930, 17789, 19900, 27860, 34825, 35578, 69650, 71156, 88945, 124523, 139300, 177890, 249046, 355780, 444725, 498092, 622615, 889450, 1245230, 1778900, 2490460, 3113075, 3540011, 6226150, 7080022, 12452300, 14160044, 17700055, 24780077, 35400110, 49560154, 70800220, 88500275, 99120308, 123900385, 177000550, 247800770, 354001100, 495601540, 619501925, 1239003850, 2478007700]

約数ペア:

[(1, 2478007700), (2, 1239003850), (4, 619501925), (5, 495601540), (7, 354001100), (10, 247800770), (14, 177000550), (20, 123900385), (25, 99120308), (28, 88500275), (35, 70800220), (50, 49560154), (70, 35400110), (100, 24780077), (140, 17700055), (175, 14160044), (199, 12452300), (350, 7080022), (398, 6226150), (700, 3540011), (796, 3113075), (995, 2490460), (1393, 1778900), (1990, 1245230), (2786, 889450), (3980, 622615), (4975, 498092), (5572, 444725), (6965, 355780), (9950, 249046), (13930, 177890), (17789, 139300), (19900, 124523), (27860, 88945), (34825, 71156), (35578, 69650)]