90345860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 214390680

約数和(自身を除く): 124044820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1009, 1210, 1628, 2018, 2035, 2420, 4036, 4070, 4477, 5045, 8140, 8954, 10090, 11099, 17908, 20180, 22198, 22385, 37333, 44396, 44770, 55495, 74666, 89540, 110990, 122089, 149332, 186665, 221980, 244178, 373330, 410663, 488356, 610445, 746660, 821326, 1220890, 1642652, 2053315, 2441780, 4106630, 4517293, 8213260, 9034586, 18069172, 22586465, 45172930, 90345860]

約数ペア:

[(1, 90345860), (2, 45172930), (4, 22586465), (5, 18069172), (10, 9034586), (11, 8213260), (20, 4517293), (22, 4106630), (37, 2441780), (44, 2053315), (55, 1642652), (74, 1220890), (110, 821326), (121, 746660), (148, 610445), (185, 488356), (220, 410663), (242, 373330), (370, 244178), (407, 221980), (484, 186665), (605, 149332), (740, 122089), (814, 110990), (1009, 89540), (1210, 74666), (1628, 55495), (2018, 44770), (2035, 44396), (2420, 37333), (4036, 22385), (4070, 22198), (4477, 20180), (5045, 17908), (8140, 11099), (8954, 10090)]