208240760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3061

約数の個数: 128

約数和(自身を含む): 607219200

約数和(自身を除く): 398978440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 2470, 2660, 3011, 3458, 3640, 4940, 5320, 6022, 6916, 8645, 9880, 12044, 13832, 15055, 17290, 21077, 24088, 30110, 34580, 39143, 42154, 57209, 60220, 69160, 78286, 84308, 105385, 114418, 120440, 156572, 168616, 195715, 210770, 228836, 274001, 286045, 313144, 391430, 400463, 421540, 457672, 548002, 572090, 743717, 782860, 800926, 843080, 1096004, 1144180, 1370005, 1487434, 1565720, 1601852, 2002315, 2192008, 2288360, 2740010, 2974868, 3203704, 3718585, 4004630, 5206019, 5480020, 5949736, 7437170, 8009260, 10412038, 10960040, 14874340, 16018520, 20824076, 26030095, 29748680, 41648152, 52060190, 104120380, 208240760]

約数ペア:

[(1, 208240760), (2, 104120380), (4, 52060190), (5, 41648152), (7, 29748680), (8, 26030095), (10, 20824076), (13, 16018520), (14, 14874340), (19, 10960040), (20, 10412038), (26, 8009260), (28, 7437170), (35, 5949736), (38, 5480020), (40, 5206019), (52, 4004630), (56, 3718585), (65, 3203704), (70, 2974868), (76, 2740010), (91, 2288360), (95, 2192008), (104, 2002315), (130, 1601852), (133, 1565720), (140, 1487434), (152, 1370005), (182, 1144180), (190, 1096004), (247, 843080), (260, 800926), (266, 782860), (280, 743717), (364, 572090), (380, 548002), (455, 457672), (494, 421540), (520, 400463), (532, 391430), (665, 313144), (728, 286045), (760, 274001), (910, 228836), (988, 210770), (1064, 195715), (1235, 168616), (1330, 156572), (1729, 120440), (1820, 114418), (1976, 105385), (2470, 84308), (2660, 78286), (3011, 69160), (3458, 60220), (3640, 57209), (4940, 42154), (5320, 39143), (6022, 34580), (6916, 30110), (8645, 24088), (9880, 21077), (12044, 17290), (13832, 15055)]