90306525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 158720000

約数和(自身を除く): 68413475

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 127, 285, 381, 475, 499, 635, 1425, 1497, 1905, 2413, 2495, 3175, 7239, 7485, 9481, 9525, 12065, 12475, 28443, 36195, 37425, 47405, 60325, 63373, 142215, 180975, 190119, 237025, 316865, 711075, 950595, 1204087, 1584325, 3612261, 4752975, 6020435, 18061305, 30102175, 90306525]

約数ペア:

[(1, 90306525), (3, 30102175), (5, 18061305), (15, 6020435), (19, 4752975), (25, 3612261), (57, 1584325), (75, 1204087), (95, 950595), (127, 711075), (285, 316865), (381, 237025), (475, 190119), (499, 180975), (635, 142215), (1425, 63373), (1497, 60325), (1905, 47405), (2413, 37425), (2495, 36195), (3175, 28443), (7239, 12475), (7485, 12065), (9481, 9525)]