204885835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 331822080

約数和(自身を除く): 126936245

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 77, 95, 133, 185, 209, 259, 385, 407, 665, 703, 757, 1045, 1295, 1463, 2035, 2849, 3515, 3785, 4921, 5299, 7315, 7733, 8327, 14245, 14383, 24605, 26495, 28009, 38665, 41635, 54131, 58289, 71915, 100681, 140045, 158213, 196063, 270655, 291445, 308099, 503405, 532171, 791065, 980315, 1107491, 1540495, 2156693, 2660855, 3725197, 5537455, 5853881, 10783465, 18625985, 29269405, 40977167, 204885835]

約数ペア:

[(1, 204885835), (5, 40977167), (7, 29269405), (11, 18625985), (19, 10783465), (35, 5853881), (37, 5537455), (55, 3725197), (77, 2660855), (95, 2156693), (133, 1540495), (185, 1107491), (209, 980315), (259, 791065), (385, 532171), (407, 503405), (665, 308099), (703, 291445), (757, 270655), (1045, 196063), (1295, 158213), (1463, 140045), (2035, 100681), (2849, 71915), (3515, 58289), (3785, 54131), (4921, 41635), (5299, 38665), (7315, 28009), (7733, 26495), (8327, 24605), (14245, 14383)]