139223480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 360806400

約数和(自身を除く): 221582920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 110, 118, 124, 155, 173, 220, 236, 248, 295, 310, 341, 346, 440, 472, 590, 620, 649, 682, 692, 865, 1180, 1240, 1298, 1364, 1384, 1705, 1730, 1829, 1903, 2360, 2596, 2728, 3245, 3410, 3460, 3658, 3806, 5192, 5363, 6490, 6820, 6920, 7316, 7612, 9145, 9515, 10207, 10726, 12980, 13640, 14632, 15224, 18290, 19030, 20119, 20414, 21452, 25960, 26815, 36580, 38060, 40238, 40828, 42904, 51035, 53630, 58993, 73160, 76120, 80476, 81656, 100595, 102070, 107260, 112277, 117986, 160952, 201190, 204140, 214520, 224554, 235972, 294965, 316417, 402380, 408280, 449108, 471944, 561385, 589930, 632834, 804760, 898216, 1122770, 1179860, 1265668, 1582085, 2245540, 2359720, 2531336, 3164170, 3480587, 4491080, 6328340, 6961174, 12656680, 13922348, 17402935, 27844696, 34805870, 69611740, 139223480]

約数ペア:

[(1, 139223480), (2, 69611740), (4, 34805870), (5, 27844696), (8, 17402935), (10, 13922348), (11, 12656680), (20, 6961174), (22, 6328340), (31, 4491080), (40, 3480587), (44, 3164170), (55, 2531336), (59, 2359720), (62, 2245540), (88, 1582085), (110, 1265668), (118, 1179860), (124, 1122770), (155, 898216), (173, 804760), (220, 632834), (236, 589930), (248, 561385), (295, 471944), (310, 449108), (341, 408280), (346, 402380), (440, 316417), (472, 294965), (590, 235972), (620, 224554), (649, 214520), (682, 204140), (692, 201190), (865, 160952), (1180, 117986), (1240, 112277), (1298, 107260), (1364, 102070), (1384, 100595), (1705, 81656), (1730, 80476), (1829, 76120), (1903, 73160), (2360, 58993), (2596, 53630), (2728, 51035), (3245, 42904), (3410, 40828), (3460, 40238), (3658, 38060), (3806, 36580), (5192, 26815), (5363, 25960), (6490, 21452), (6820, 20414), (6920, 20119), (7316, 19030), (7612, 18290), (9145, 15224), (9515, 14632), (10207, 13640), (10726, 12980)]