42470000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 100

約数和(自身を含む): 106915776

約数和(自身を除く): 64445776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 137, 155, 200, 248, 250, 274, 310, 400, 496, 500, 548, 620, 625, 685, 775, 1000, 1096, 1240, 1250, 1370, 1550, 2000, 2192, 2480, 2500, 2740, 3100, 3425, 3875, 4247, 5000, 5480, 6200, 6850, 7750, 8494, 10000, 10960, 12400, 13700, 15500, 16988, 17125, 19375, 21235, 27400, 31000, 33976, 34250, 38750, 42470, 54800, 62000, 67952, 68500, 77500, 84940, 85625, 106175, 137000, 155000, 169880, 171250, 212350, 274000, 310000, 339760, 342500, 424700, 530875, 685000, 849400, 1061750, 1370000, 1698800, 2123500, 2654375, 4247000, 5308750, 8494000, 10617500, 21235000, 42470000]

約数ペア:

[(1, 42470000), (2, 21235000), (4, 10617500), (5, 8494000), (8, 5308750), (10, 4247000), (16, 2654375), (20, 2123500), (25, 1698800), (31, 1370000), (40, 1061750), (50, 849400), (62, 685000), (80, 530875), (100, 424700), (124, 342500), (125, 339760), (137, 310000), (155, 274000), (200, 212350), (248, 171250), (250, 169880), (274, 155000), (310, 137000), (400, 106175), (496, 85625), (500, 84940), (548, 77500), (620, 68500), (625, 67952), (685, 62000), (775, 54800), (1000, 42470), (1096, 38750), (1240, 34250), (1250, 33976), (1370, 31000), (1550, 27400), (2000, 21235), (2192, 19375), (2480, 17125), (2500, 16988), (2740, 15500), (3100, 13700), (3425, 12400), (3875, 10960), (4247, 10000), (5000, 8494), (5480, 7750), (6200, 6850)]