249191460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1535

約数の個数: 216

約数和(自身を含む): 926190720

約数和(自身を除く): 676999260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1487, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2660, 2793, 2940, 2974, 3420, 3724, 3990, 4410, 4461, 4655, 4788, 5586, 5948, 5985, 7435, 7980, 8379, 8820, 8922, 9310, 10409, 11172, 11970, 13383, 13965, 14870, 16758, 17844, 18620, 20818, 22305, 23940, 26766, 27930, 28253, 29740, 31227, 33516, 41636, 41895, 44610, 52045, 53532, 55860, 56506, 62454, 66915, 72863, 83790, 84759, 89220, 93681, 104090, 113012, 124908, 133830, 141265, 145726, 156135, 167580, 169518, 187362, 197771, 208180, 218589, 254277, 267660, 282530, 291452, 312270, 339036, 364315, 374724, 395542, 423795, 437178, 468405, 508554, 565060, 593313, 624540, 655767, 728630, 791084, 847590, 874356, 936810, 988855, 1017108, 1092945, 1186626, 1271385, 1311534, 1384397, 1457260, 1695180, 1779939, 1873620, 1977710, 2185890, 2373252, 2542770, 2623068, 2768794, 2966565, 3278835, 3559878, 3955420, 4153191, 4371780, 5085540, 5537588, 5933130, 6557670, 6921985, 7119756, 8306382, 8899695, 11866260, 12459573, 13115340, 13843970, 16612764, 17799390, 20765955, 24919146, 27687940, 35598780, 41531910, 49838292, 62297865, 83063820, 124595730, 249191460]

約数ペア:

[(1, 249191460), (2, 124595730), (3, 83063820), (4, 62297865), (5, 49838292), (6, 41531910), (7, 35598780), (9, 27687940), (10, 24919146), (12, 20765955), (14, 17799390), (15, 16612764), (18, 13843970), (19, 13115340), (20, 12459573), (21, 11866260), (28, 8899695), (30, 8306382), (35, 7119756), (36, 6921985), (38, 6557670), (42, 5933130), (45, 5537588), (49, 5085540), (57, 4371780), (60, 4153191), (63, 3955420), (70, 3559878), (76, 3278835), (84, 2966565), (90, 2768794), (95, 2623068), (98, 2542770), (105, 2373252), (114, 2185890), (126, 1977710), (133, 1873620), (140, 1779939), (147, 1695180), (171, 1457260), (180, 1384397), (190, 1311534), (196, 1271385), (210, 1186626), (228, 1092945), (245, 1017108), (252, 988855), (266, 936810), (285, 874356), (294, 847590), (315, 791084), (342, 728630), (380, 655767), (399, 624540), (420, 593313), (441, 565060), (490, 508554), (532, 468405), (570, 437178), (588, 423795), (630, 395542), (665, 374724), (684, 364315), (735, 339036), (798, 312270), (855, 291452), (882, 282530), (931, 267660), (980, 254277), (1140, 218589), (1197, 208180), (1260, 197771), (1330, 187362), (1470, 169518), (1487, 167580), (1596, 156135), (1710, 145726), (1764, 141265), (1862, 133830), (1995, 124908), (2205, 113012), (2394, 104090), (2660, 93681), (2793, 89220), (2940, 84759), (2974, 83790), (3420, 72863), (3724, 66915), (3990, 62454), (4410, 56506), (4461, 55860), (4655, 53532), (4788, 52045), (5586, 44610), (5948, 41895), (5985, 41636), (7435, 33516), (7980, 31227), (8379, 29740), (8820, 28253), (8922, 27930), (9310, 26766), (10409, 23940), (11172, 22305), (11970, 20818), (13383, 18620), (13965, 17844), (14870, 16758)]