138959025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 238080000

約数和(自身を除く): 99120975

約数列:

[1, 3, 5, 15, 25, 47, 75, 79, 141, 235, 237, 395, 499, 705, 1175, 1185, 1497, 1975, 2495, 3525, 3713, 5925, 7485, 11139, 12475, 18565, 23453, 37425, 39421, 55695, 70359, 92825, 117265, 118263, 197105, 278475, 351795, 586325, 591315, 985525, 1758975, 1852787, 2956575, 5558361, 9263935, 27791805, 46319675, 138959025]

約数ペア:

[(1, 138959025), (3, 46319675), (5, 27791805), (15, 9263935), (25, 5558361), (47, 2956575), (75, 1852787), (79, 1758975), (141, 985525), (235, 591315), (237, 586325), (395, 351795), (499, 278475), (705, 197105), (1175, 118263), (1185, 117265), (1497, 92825), (1975, 70359), (2495, 55695), (3525, 39421), (3713, 37425), (5925, 23453), (7485, 18565), (11139, 12475)]