208857220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 521015040

約数和(自身を除く): 312157820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 103, 110, 130, 143, 206, 220, 260, 286, 412, 515, 572, 709, 715, 1030, 1133, 1339, 1418, 1430, 2060, 2266, 2678, 2836, 2860, 3545, 4532, 5356, 5665, 6695, 7090, 7799, 9217, 11330, 13390, 14180, 14729, 15598, 18434, 22660, 26780, 29458, 31196, 36868, 38995, 46085, 58916, 73027, 73645, 77990, 92170, 101387, 146054, 147290, 155980, 184340, 202774, 292108, 294580, 365135, 405548, 506935, 730270, 803297, 949351, 1013870, 1460540, 1606594, 1898702, 2027740, 3213188, 3797404, 4016485, 4746755, 8032970, 9493510, 10442861, 16065940, 18987020, 20885722, 41771444, 52214305, 104428610, 208857220]

約数ペア:

[(1, 208857220), (2, 104428610), (4, 52214305), (5, 41771444), (10, 20885722), (11, 18987020), (13, 16065940), (20, 10442861), (22, 9493510), (26, 8032970), (44, 4746755), (52, 4016485), (55, 3797404), (65, 3213188), (103, 2027740), (110, 1898702), (130, 1606594), (143, 1460540), (206, 1013870), (220, 949351), (260, 803297), (286, 730270), (412, 506935), (515, 405548), (572, 365135), (709, 294580), (715, 292108), (1030, 202774), (1133, 184340), (1339, 155980), (1418, 147290), (1430, 146054), (2060, 101387), (2266, 92170), (2678, 77990), (2836, 73645), (2860, 73027), (3545, 58916), (4532, 46085), (5356, 38995), (5665, 36868), (6695, 31196), (7090, 29458), (7799, 26780), (9217, 22660), (11330, 18434), (13390, 15598), (14180, 14729)]