87712900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{659}}^1$

素因数の和:706

約数の個数: 72

約数和(自身を含む): 209674080

約数和(自身を除く): 121961180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 659, 1100, 1210, 1318, 1331, 2420, 2636, 2662, 3025, 3295, 5324, 6050, 6590, 6655, 7249, 12100, 13180, 13310, 14498, 16475, 26620, 28996, 32950, 33275, 36245, 65900, 66550, 72490, 79739, 133100, 144980, 159478, 181225, 318956, 362450, 398695, 724900, 797390, 877129, 1594780, 1754258, 1993475, 3508516, 3986950, 4385645, 7973900, 8771290, 17542580, 21928225, 43856450, 87712900]

約数ペア:

[(1, 87712900), (2, 43856450), (4, 21928225), (5, 17542580), (10, 8771290), (11, 7973900), (20, 4385645), (22, 3986950), (25, 3508516), (44, 1993475), (50, 1754258), (55, 1594780), (100, 877129), (110, 797390), (121, 724900), (220, 398695), (242, 362450), (275, 318956), (484, 181225), (550, 159478), (605, 144980), (659, 133100), (1100, 79739), (1210, 72490), (1318, 66550), (1331, 65900), (2420, 36245), (2636, 33275), (2662, 32950), (3025, 28996), (3295, 26620), (5324, 16475), (6050, 14498), (6590, 13310), (6655, 13180), (7249, 12100)]