191709560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 511920000

約数和(自身を除く): 320210440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 157, 178, 196, 245, 280, 314, 343, 356, 392, 445, 490, 623, 628, 686, 712, 785, 890, 980, 1099, 1246, 1256, 1372, 1570, 1715, 1780, 1960, 2198, 2492, 2744, 3115, 3140, 3430, 3560, 4361, 4396, 4984, 5495, 6230, 6280, 6860, 7693, 8722, 8792, 10990, 12460, 13720, 13973, 15386, 17444, 21805, 21980, 24920, 27946, 30527, 30772, 34888, 38465, 43610, 43960, 53851, 55892, 61054, 61544, 69865, 76930, 87220, 97811, 107702, 111784, 122108, 139730, 152635, 153860, 174440, 195622, 215404, 244216, 269255, 279460, 305270, 307720, 391244, 430808, 489055, 538510, 558920, 610540, 684677, 782488, 978110, 1077020, 1221080, 1369354, 1956220, 2154040, 2738708, 3423385, 3912440, 4792739, 5477416, 6846770, 9585478, 13693540, 19170956, 23963695, 27387080, 38341912, 47927390, 95854780, 191709560]

約数ペア:

[(1, 191709560), (2, 95854780), (4, 47927390), (5, 38341912), (7, 27387080), (8, 23963695), (10, 19170956), (14, 13693540), (20, 9585478), (28, 6846770), (35, 5477416), (40, 4792739), (49, 3912440), (56, 3423385), (70, 2738708), (89, 2154040), (98, 1956220), (140, 1369354), (157, 1221080), (178, 1077020), (196, 978110), (245, 782488), (280, 684677), (314, 610540), (343, 558920), (356, 538510), (392, 489055), (445, 430808), (490, 391244), (623, 307720), (628, 305270), (686, 279460), (712, 269255), (785, 244216), (890, 215404), (980, 195622), (1099, 174440), (1246, 153860), (1256, 152635), (1372, 139730), (1570, 122108), (1715, 111784), (1780, 107702), (1960, 97811), (2198, 87220), (2492, 76930), (2744, 69865), (3115, 61544), (3140, 61054), (3430, 55892), (3560, 53851), (4361, 43960), (4396, 43610), (4984, 38465), (5495, 34888), (6230, 30772), (6280, 30527), (6860, 27946), (7693, 24920), (8722, 21980), (8792, 21805), (10990, 17444), (12460, 15386), (13720, 13973)]