189958780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 449100288

約数和(自身を除く): 259141508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 101, 103, 110, 166, 202, 206, 220, 332, 404, 412, 415, 505, 515, 830, 913, 1010, 1030, 1111, 1133, 1660, 1826, 2020, 2060, 2222, 2266, 3652, 4444, 4532, 4565, 5555, 5665, 8383, 8549, 9130, 10403, 11110, 11330, 16766, 17098, 18260, 20806, 22220, 22660, 33532, 34196, 41612, 41915, 42745, 52015, 83830, 85490, 92213, 94039, 104030, 114433, 167660, 170980, 184426, 188078, 208060, 228866, 368852, 376156, 457732, 461065, 470195, 572165, 863449, 922130, 940390, 1144330, 1726898, 1844260, 1880780, 2288660, 3453796, 4317245, 8634490, 9497939, 17268980, 18995878, 37991756, 47489695, 94979390, 189958780]

約数ペア:

[(1, 189958780), (2, 94979390), (4, 47489695), (5, 37991756), (10, 18995878), (11, 17268980), (20, 9497939), (22, 8634490), (44, 4317245), (55, 3453796), (83, 2288660), (101, 1880780), (103, 1844260), (110, 1726898), (166, 1144330), (202, 940390), (206, 922130), (220, 863449), (332, 572165), (404, 470195), (412, 461065), (415, 457732), (505, 376156), (515, 368852), (830, 228866), (913, 208060), (1010, 188078), (1030, 184426), (1111, 170980), (1133, 167660), (1660, 114433), (1826, 104030), (2020, 94039), (2060, 92213), (2222, 85490), (2266, 83830), (3652, 52015), (4444, 42745), (4532, 41915), (4565, 41612), (5555, 34196), (5665, 33532), (8383, 22660), (8549, 22220), (9130, 20806), (10403, 18260), (11110, 17098), (11330, 16766)]