78840975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 139614080

約数和(自身を除く): 60773105

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 183, 285, 305, 475, 907, 915, 1159, 1425, 1525, 2721, 3477, 4535, 4575, 5795, 13605, 17233, 17385, 22675, 28975, 51699, 55327, 68025, 86165, 86925, 165981, 258495, 276635, 430825, 829905, 1051213, 1292475, 1383175, 3153639, 4149525, 5256065, 15768195, 26280325, 78840975]

約数ペア:

[(1, 78840975), (3, 26280325), (5, 15768195), (15, 5256065), (19, 4149525), (25, 3153639), (57, 1383175), (61, 1292475), (75, 1051213), (95, 829905), (183, 430825), (285, 276635), (305, 258495), (475, 165981), (907, 86925), (915, 86165), (1159, 68025), (1425, 55327), (1525, 51699), (2721, 28975), (3477, 22675), (4535, 17385), (4575, 17233), (5795, 13605)]