90224860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1675

約数の個数: 72

約数和(自身を含む): 217451808

約数和(自身を除く): 127226948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1621, 2420, 2530, 2783, 3242, 5060, 5566, 6484, 8105, 11132, 13915, 16210, 17831, 27830, 32420, 35662, 37283, 55660, 71324, 74566, 89155, 149132, 178310, 186415, 196141, 356620, 372830, 392282, 410113, 745660, 784564, 820226, 980705, 1640452, 1961410, 2050565, 3922820, 4101130, 4511243, 8202260, 9022486, 18044972, 22556215, 45112430, 90224860]

約数ペア:

[(1, 90224860), (2, 45112430), (4, 22556215), (5, 18044972), (10, 9022486), (11, 8202260), (20, 4511243), (22, 4101130), (23, 3922820), (44, 2050565), (46, 1961410), (55, 1640452), (92, 980705), (110, 820226), (115, 784564), (121, 745660), (220, 410113), (230, 392282), (242, 372830), (253, 356620), (460, 196141), (484, 186415), (506, 178310), (605, 149132), (1012, 89155), (1210, 74566), (1265, 71324), (1621, 55660), (2420, 37283), (2530, 35662), (2783, 32420), (3242, 27830), (5060, 17831), (5566, 16210), (6484, 13915), (8105, 11132)]