16500400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 46497024

約数和(自身を除く): 29996624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 71, 80, 83, 100, 112, 140, 142, 166, 175, 200, 280, 284, 332, 350, 355, 400, 415, 497, 560, 568, 581, 664, 700, 710, 830, 994, 1136, 1162, 1328, 1400, 1420, 1660, 1775, 1988, 2075, 2324, 2485, 2800, 2840, 2905, 3320, 3550, 3976, 4150, 4648, 4970, 5680, 5810, 5893, 6640, 7100, 7952, 8300, 9296, 9940, 11620, 11786, 12425, 14200, 14525, 16600, 19880, 23240, 23572, 24850, 28400, 29050, 29465, 33200, 39760, 41251, 46480, 47144, 49700, 58100, 58930, 82502, 94288, 99400, 116200, 117860, 147325, 165004, 198800, 206255, 232400, 235720, 294650, 330008, 412510, 471440, 589300, 660016, 825020, 1031275, 1178600, 1650040, 2062550, 2357200, 3300080, 4125100, 8250200, 16500400]

約数ペア:

[(1, 16500400), (2, 8250200), (4, 4125100), (5, 3300080), (7, 2357200), (8, 2062550), (10, 1650040), (14, 1178600), (16, 1031275), (20, 825020), (25, 660016), (28, 589300), (35, 471440), (40, 412510), (50, 330008), (56, 294650), (70, 235720), (71, 232400), (80, 206255), (83, 198800), (100, 165004), (112, 147325), (140, 117860), (142, 116200), (166, 99400), (175, 94288), (200, 82502), (280, 58930), (284, 58100), (332, 49700), (350, 47144), (355, 46480), (400, 41251), (415, 39760), (497, 33200), (560, 29465), (568, 29050), (581, 28400), (664, 24850), (700, 23572), (710, 23240), (830, 19880), (994, 16600), (1136, 14525), (1162, 14200), (1328, 12425), (1400, 11786), (1420, 11620), (1660, 9940), (1775, 9296), (1988, 8300), (2075, 7952), (2324, 7100), (2485, 6640), (2800, 5893), (2840, 5810), (2905, 5680), (3320, 4970), (3550, 4648), (3976, 4150)]