78989480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6833}}^1$

素因数の和:6878

約数の個数: 48

約数和(自身を含む): 188823420

約数和(自身を除く): 109833940

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 6833, 11560, 13666, 27332, 34165, 54664, 68330, 116161, 136660, 232322, 273320, 464644, 580805, 929288, 1161610, 1974737, 2323220, 3949474, 4646440, 7898948, 9873685, 15797896, 19747370, 39494740, 78989480]

約数ペア:

[(1, 78989480), (2, 39494740), (4, 19747370), (5, 15797896), (8, 9873685), (10, 7898948), (17, 4646440), (20, 3949474), (34, 2323220), (40, 1974737), (68, 1161610), (85, 929288), (136, 580805), (170, 464644), (289, 273320), (340, 232322), (578, 136660), (680, 116161), (1156, 68330), (1445, 54664), (2312, 34165), (2890, 27332), (5780, 13666), (6833, 11560)]