19210100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 51330048

約数和(自身を除く): 32119948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2111, 2275, 4222, 4550, 8444, 9100, 10555, 14777, 21110, 27443, 29554, 42220, 52775, 54886, 59108, 73885, 105550, 109772, 137215, 147770, 192101, 211100, 274430, 295540, 369425, 384202, 548860, 686075, 738850, 768404, 960505, 1372150, 1477700, 1921010, 2744300, 3842020, 4802525, 9605050, 19210100]

約数ペア:

[(1, 19210100), (2, 9605050), (4, 4802525), (5, 3842020), (7, 2744300), (10, 1921010), (13, 1477700), (14, 1372150), (20, 960505), (25, 768404), (26, 738850), (28, 686075), (35, 548860), (50, 384202), (52, 369425), (65, 295540), (70, 274430), (91, 211100), (100, 192101), (130, 147770), (140, 137215), (175, 109772), (182, 105550), (260, 73885), (325, 59108), (350, 54886), (364, 52775), (455, 42220), (650, 29554), (700, 27443), (910, 21110), (1300, 14777), (1820, 10555), (2111, 9100), (2275, 8444), (4222, 4550)]