1900580275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 2754823680

約数和(自身を除く): 854243405

約数列:

[1, 5, 11, 23, 25, 55, 59, 115, 121, 253, 275, 295, 463, 575, 605, 649, 1265, 1357, 1475, 2315, 2783, 3025, 3245, 5093, 6325, 6785, 7139, 10649, 11575, 13915, 14927, 16225, 25465, 27317, 33925, 35695, 53245, 56023, 69575, 74635, 117139, 127325, 136585, 164197, 178475, 266225, 280115, 300487, 373175, 585695, 628291, 682925, 820985, 1288529, 1400575, 1502435, 2928475, 3141455, 3305357, 4104925, 6442645, 6911201, 7512175, 15707275, 16526785, 32213225, 34556005, 76023211, 82633925, 172780025, 380116055, 1900580275]

約数ペア:

[(1, 1900580275), (5, 380116055), (11, 172780025), (23, 82633925), (25, 76023211), (55, 34556005), (59, 32213225), (115, 16526785), (121, 15707275), (253, 7512175), (275, 6911201), (295, 6442645), (463, 4104925), (575, 3305357), (605, 3141455), (649, 2928475), (1265, 1502435), (1357, 1400575), (1475, 1288529), (2315, 820985), (2783, 682925), (3025, 628291), (3245, 585695), (5093, 373175), (6325, 300487), (6785, 280115), (7139, 266225), (10649, 178475), (11575, 164197), (13915, 136585), (14927, 127325), (16225, 117139), (25465, 74635), (27317, 69575), (33925, 56023), (35695, 53245)]