278020400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3259

約数の個数: 120

約数和(自身を含む): 788235264

約数和(自身を除く): 510214864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 3100, 3203, 3472, 4340, 5425, 6200, 6406, 8680, 10850, 12400, 12812, 16015, 17360, 21700, 22421, 25624, 32030, 43400, 44842, 51248, 64060, 80075, 86800, 89684, 99293, 112105, 128120, 160150, 179368, 198586, 224210, 256240, 320300, 358736, 397172, 448420, 496465, 560525, 640600, 695051, 794344, 896840, 992930, 1121050, 1281200, 1390102, 1588688, 1793680, 1985860, 2242100, 2482325, 2780204, 3475255, 3971720, 4484200, 4964650, 5560408, 6950510, 7943440, 8968400, 9929300, 11120816, 13901020, 17376275, 19858600, 27802040, 34752550, 39717200, 55604080, 69505100, 139010200, 278020400]

約数ペア:

[(1, 278020400), (2, 139010200), (4, 69505100), (5, 55604080), (7, 39717200), (8, 34752550), (10, 27802040), (14, 19858600), (16, 17376275), (20, 13901020), (25, 11120816), (28, 9929300), (31, 8968400), (35, 7943440), (40, 6950510), (50, 5560408), (56, 4964650), (62, 4484200), (70, 3971720), (80, 3475255), (100, 2780204), (112, 2482325), (124, 2242100), (140, 1985860), (155, 1793680), (175, 1588688), (200, 1390102), (217, 1281200), (248, 1121050), (280, 992930), (310, 896840), (350, 794344), (400, 695051), (434, 640600), (496, 560525), (560, 496465), (620, 448420), (700, 397172), (775, 358736), (868, 320300), (1085, 256240), (1240, 224210), (1400, 198586), (1550, 179368), (1736, 160150), (2170, 128120), (2480, 112105), (2800, 99293), (3100, 89684), (3203, 86800), (3472, 80075), (4340, 64060), (5425, 51248), (6200, 44842), (6406, 43400), (8680, 32030), (10850, 25624), (12400, 22421), (12812, 21700), (16015, 17360)]