394896880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:927

約数の個数: 120

約数和(自身を含む): 1077587280

約数和(自身を除く): 682690400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 196, 245, 262, 280, 392, 490, 524, 560, 655, 769, 784, 917, 980, 1048, 1310, 1538, 1834, 1960, 2096, 2620, 3076, 3668, 3845, 3920, 4585, 5240, 5383, 6152, 6419, 7336, 7690, 9170, 10480, 10766, 12304, 12838, 14672, 15380, 18340, 21532, 25676, 26915, 30760, 32095, 36680, 37681, 43064, 51352, 53830, 61520, 64190, 73360, 75362, 86128, 100739, 102704, 107660, 128380, 150724, 188405, 201478, 215320, 256760, 301448, 376810, 402956, 430640, 503695, 513520, 602896, 705173, 753620, 805912, 1007390, 1410346, 1507240, 1611824, 2014780, 2820692, 3014480, 3525865, 4029560, 4936211, 5641384, 7051730, 8059120, 9872422, 11282768, 14103460, 19744844, 24681055, 28206920, 39489688, 49362110, 56413840, 78979376, 98724220, 197448440, 394896880]

約数ペア:

[(1, 394896880), (2, 197448440), (4, 98724220), (5, 78979376), (7, 56413840), (8, 49362110), (10, 39489688), (14, 28206920), (16, 24681055), (20, 19744844), (28, 14103460), (35, 11282768), (40, 9872422), (49, 8059120), (56, 7051730), (70, 5641384), (80, 4936211), (98, 4029560), (112, 3525865), (131, 3014480), (140, 2820692), (196, 2014780), (245, 1611824), (262, 1507240), (280, 1410346), (392, 1007390), (490, 805912), (524, 753620), (560, 705173), (655, 602896), (769, 513520), (784, 503695), (917, 430640), (980, 402956), (1048, 376810), (1310, 301448), (1538, 256760), (1834, 215320), (1960, 201478), (2096, 188405), (2620, 150724), (3076, 128380), (3668, 107660), (3845, 102704), (3920, 100739), (4585, 86128), (5240, 75362), (5383, 73360), (6152, 64190), (6419, 61520), (7336, 53830), (7690, 51352), (9170, 43064), (10480, 37681), (10766, 36680), (12304, 32095), (12838, 30760), (14672, 26915), (15380, 25676), (18340, 21532)]