128892400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3579

約数の個数: 120

約数和(自身を含む): 381232544

約数和(自身を除く): 252340144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2275, 2600, 2800, 3541, 3640, 4550, 5200, 7082, 7280, 9100, 14164, 17705, 18200, 24787, 28328, 35410, 36400, 46033, 49574, 56656, 70820, 88525, 92066, 99148, 123935, 141640, 177050, 184132, 198296, 230165, 247870, 283280, 322231, 354100, 368264, 396592, 460330, 495740, 619675, 644462, 708200, 736528, 920660, 991480, 1150825, 1239350, 1288924, 1416400, 1611155, 1841320, 1982960, 2301650, 2478700, 2577848, 3222310, 3682640, 4603300, 4957400, 5155696, 6444620, 8055775, 9206600, 9914800, 12889240, 16111550, 18413200, 25778480, 32223100, 64446200, 128892400]

約数ペア:

[(1, 128892400), (2, 64446200), (4, 32223100), (5, 25778480), (7, 18413200), (8, 16111550), (10, 12889240), (13, 9914800), (14, 9206600), (16, 8055775), (20, 6444620), (25, 5155696), (26, 4957400), (28, 4603300), (35, 3682640), (40, 3222310), (50, 2577848), (52, 2478700), (56, 2301650), (65, 1982960), (70, 1841320), (80, 1611155), (91, 1416400), (100, 1288924), (104, 1239350), (112, 1150825), (130, 991480), (140, 920660), (175, 736528), (182, 708200), (200, 644462), (208, 619675), (260, 495740), (280, 460330), (325, 396592), (350, 368264), (364, 354100), (400, 322231), (455, 283280), (520, 247870), (560, 230165), (650, 198296), (700, 184132), (728, 177050), (910, 141640), (1040, 123935), (1300, 99148), (1400, 92066), (1456, 88525), (1820, 70820), (2275, 56656), (2600, 49574), (2800, 46033), (3541, 36400), (3640, 35410), (4550, 28328), (5200, 24787), (7082, 18200), (7280, 17705), (9100, 14164)]