2780883200

素因数分解:

$2^8\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1117}}^1$

素因数の和:1532

約数の個数: 108

約数和(自身を含む): 6906992820

約数和(自身を除く): 4126109620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 389, 400, 640, 778, 800, 1117, 1280, 1556, 1600, 1945, 2234, 3112, 3200, 3890, 4468, 5585, 6224, 6400, 7780, 8936, 9725, 11170, 12448, 15560, 17872, 19450, 22340, 24896, 27925, 31120, 35744, 38900, 44680, 49792, 55850, 62240, 71488, 77800, 89360, 99584, 111700, 124480, 142976, 155600, 178720, 223400, 248960, 285952, 311200, 357440, 434513, 446800, 497920, 622400, 714880, 869026, 893600, 1244800, 1429760, 1738052, 1787200, 2172565, 2489600, 3476104, 3574400, 4345130, 6952208, 7148800, 8690260, 10862825, 13904416, 17380520, 21725650, 27808832, 34761040, 43451300, 55617664, 69522080, 86902600, 111235328, 139044160, 173805200, 278088320, 347610400, 556176640, 695220800, 1390441600, 2780883200]

約数ペア:

[(1, 2780883200), (2, 1390441600), (4, 695220800), (5, 556176640), (8, 347610400), (10, 278088320), (16, 173805200), (20, 139044160), (25, 111235328), (32, 86902600), (40, 69522080), (50, 55617664), (64, 43451300), (80, 34761040), (100, 27808832), (128, 21725650), (160, 17380520), (200, 13904416), (256, 10862825), (320, 8690260), (389, 7148800), (400, 6952208), (640, 4345130), (778, 3574400), (800, 3476104), (1117, 2489600), (1280, 2172565), (1556, 1787200), (1600, 1738052), (1945, 1429760), (2234, 1244800), (3112, 893600), (3200, 869026), (3890, 714880), (4468, 622400), (5585, 497920), (6224, 446800), (6400, 434513), (7780, 357440), (8936, 311200), (9725, 285952), (11170, 248960), (12448, 223400), (15560, 178720), (17872, 155600), (19450, 142976), (22340, 124480), (24896, 111700), (27925, 99584), (31120, 89360), (35744, 77800), (38900, 71488), (44680, 62240), (49792, 55850)]