155986820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19163}}^1$

素因数の和:19220

約数の個数: 48

約数和(自身を含む): 367028928

約数和(自身を除く): 211042108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 19163, 38326, 76652, 95815, 191630, 210793, 383260, 421586, 709031, 843172, 1053965, 1418062, 2107930, 2836124, 3545155, 4215860, 7090310, 7799341, 14180620, 15598682, 31197364, 38996705, 77993410, 155986820]

約数ペア:

[(1, 155986820), (2, 77993410), (4, 38996705), (5, 31197364), (10, 15598682), (11, 14180620), (20, 7799341), (22, 7090310), (37, 4215860), (44, 3545155), (55, 2836124), (74, 2107930), (110, 1418062), (148, 1053965), (185, 843172), (220, 709031), (370, 421586), (407, 383260), (740, 210793), (814, 191630), (1628, 95815), (2035, 76652), (4070, 38326), (8140, 19163)]