38390275

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 62669600

約数和(自身を除く): 24279325

約数列:

[1, 5, 7, 11, 25, 35, 37, 49, 55, 77, 121, 175, 185, 245, 259, 275, 343, 385, 407, 539, 605, 847, 925, 1225, 1295, 1715, 1813, 1925, 2035, 2695, 2849, 3025, 3773, 4235, 4477, 5929, 6475, 8575, 9065, 10175, 12691, 13475, 14245, 18865, 19943, 21175, 22385, 29645, 31339, 41503, 45325, 63455, 71225, 94325, 99715, 111925, 139601, 148225, 156695, 207515, 219373, 317275, 498575, 698005, 783475, 1037575, 1096865, 1535611, 3490025, 5484325, 7678055, 38390275]

約数ペア:

[(1, 38390275), (5, 7678055), (7, 5484325), (11, 3490025), (25, 1535611), (35, 1096865), (37, 1037575), (49, 783475), (55, 698005), (77, 498575), (121, 317275), (175, 219373), (185, 207515), (245, 156695), (259, 148225), (275, 139601), (343, 111925), (385, 99715), (407, 94325), (539, 71225), (605, 63455), (847, 45325), (925, 41503), (1225, 31339), (1295, 29645), (1715, 22385), (1813, 21175), (1925, 19943), (2035, 18865), (2695, 14245), (2849, 13475), (3025, 12691), (3773, 10175), (4235, 9065), (4477, 8575), (5929, 6475)]