80563700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1713

約数の個数: 72

約数和(自身を含む): 202737024

約数和(自身を除く): 122173324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1621, 1775, 1988, 2485, 3242, 3550, 4970, 6484, 7100, 8105, 9940, 11347, 12425, 16210, 22694, 24850, 32420, 40525, 45388, 49700, 56735, 81050, 113470, 115091, 162100, 226940, 230182, 283675, 460364, 567350, 575455, 805637, 1134700, 1150910, 1611274, 2301820, 2877275, 3222548, 4028185, 5754550, 8056370, 11509100, 16112740, 20140925, 40281850, 80563700]

約数ペア:

[(1, 80563700), (2, 40281850), (4, 20140925), (5, 16112740), (7, 11509100), (10, 8056370), (14, 5754550), (20, 4028185), (25, 3222548), (28, 2877275), (35, 2301820), (50, 1611274), (70, 1150910), (71, 1134700), (100, 805637), (140, 575455), (142, 567350), (175, 460364), (284, 283675), (350, 230182), (355, 226940), (497, 162100), (700, 115091), (710, 113470), (994, 81050), (1420, 56735), (1621, 49700), (1775, 45388), (1988, 40525), (2485, 32420), (3242, 24850), (3550, 22694), (4970, 16210), (6484, 12425), (7100, 11347), (8105, 9940)]