391785940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 1055134080

約数和(自身を除く): 663348140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 169, 182, 203, 260, 290, 338, 364, 377, 406, 455, 571, 580, 676, 754, 812, 845, 910, 1015, 1142, 1183, 1508, 1690, 1820, 1885, 2030, 2284, 2366, 2639, 2855, 3380, 3770, 3997, 4060, 4732, 4901, 5278, 5710, 5915, 7423, 7540, 7994, 9802, 10556, 11420, 11830, 13195, 14846, 15988, 16559, 19604, 19985, 23660, 24505, 26390, 29692, 33118, 34307, 37115, 39970, 49010, 51961, 52780, 66236, 68614, 74230, 79940, 82795, 96499, 98020, 103922, 115913, 137228, 148460, 165590, 171535, 192998, 207844, 215267, 231826, 259805, 331180, 343070, 385996, 430534, 463652, 482495, 519610, 579565, 675493, 686140, 861068, 964990, 1039220, 1076335, 1159130, 1350986, 1506869, 1929980, 2152670, 2318260, 2701972, 2798471, 3013738, 3377465, 4305340, 5596942, 6027476, 6754930, 7534345, 11193884, 13509860, 13992355, 15068690, 19589297, 27984710, 30137380, 39178594, 55969420, 78357188, 97946485, 195892970, 391785940]

約数ペア:

[(1, 391785940), (2, 195892970), (4, 97946485), (5, 78357188), (7, 55969420), (10, 39178594), (13, 30137380), (14, 27984710), (20, 19589297), (26, 15068690), (28, 13992355), (29, 13509860), (35, 11193884), (52, 7534345), (58, 6754930), (65, 6027476), (70, 5596942), (91, 4305340), (116, 3377465), (130, 3013738), (140, 2798471), (145, 2701972), (169, 2318260), (182, 2152670), (203, 1929980), (260, 1506869), (290, 1350986), (338, 1159130), (364, 1076335), (377, 1039220), (406, 964990), (455, 861068), (571, 686140), (580, 675493), (676, 579565), (754, 519610), (812, 482495), (845, 463652), (910, 430534), (1015, 385996), (1142, 343070), (1183, 331180), (1508, 259805), (1690, 231826), (1820, 215267), (1885, 207844), (2030, 192998), (2284, 171535), (2366, 165590), (2639, 148460), (2855, 137228), (3380, 115913), (3770, 103922), (3997, 98020), (4060, 96499), (4732, 82795), (4901, 79940), (5278, 74230), (5710, 68614), (5915, 66236), (7423, 52780), (7540, 51961), (7994, 49010), (9802, 39970), (10556, 37115), (11420, 34307), (11830, 33118), (13195, 29692), (14846, 26390), (15988, 24505), (16559, 23660), (19604, 19985)]