284648975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 413306880

約数和(自身を除く): 128657905

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 247, 325, 403, 475, 589, 775, 1235, 1487, 2015, 2945, 6175, 7435, 7657, 10075, 14725, 19331, 28253, 37175, 38285, 46097, 96655, 141265, 191425, 230485, 367289, 483275, 599261, 706325, 875843, 1152425, 1836445, 2996305, 4379215, 9182225, 11385959, 14981525, 21896075, 56929795, 284648975]

約数ペア:

[(1, 284648975), (5, 56929795), (13, 21896075), (19, 14981525), (25, 11385959), (31, 9182225), (65, 4379215), (95, 2996305), (155, 1836445), (247, 1152425), (325, 875843), (403, 706325), (475, 599261), (589, 483275), (775, 367289), (1235, 230485), (1487, 191425), (2015, 141265), (2945, 96655), (6175, 46097), (7435, 38285), (7657, 37175), (10075, 28253), (14725, 19331)]