217113960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258469}}^1$

素因数の和:258490

約数の個数: 64

約数和(自身を含む): 744393600

約数和(自身を除く): 527279640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258469, 516938, 775407, 1033876, 1292345, 1550814, 1809283, 2067752, 2584690, 3101628, 3618566, 3877035, 5169380, 5427849, 6203256, 7237132, 7754070, 9046415, 10338760, 10855698, 14474264, 15508140, 18092830, 21711396, 27139245, 31016280, 36185660, 43422792, 54278490, 72371320, 108556980, 217113960]

約数ペア:

[(1, 217113960), (2, 108556980), (3, 72371320), (4, 54278490), (5, 43422792), (6, 36185660), (7, 31016280), (8, 27139245), (10, 21711396), (12, 18092830), (14, 15508140), (15, 14474264), (20, 10855698), (21, 10338760), (24, 9046415), (28, 7754070), (30, 7237132), (35, 6203256), (40, 5427849), (42, 5169380), (56, 3877035), (60, 3618566), (70, 3101628), (84, 2584690), (105, 2067752), (120, 1809283), (140, 1550814), (168, 1292345), (210, 1033876), (280, 775407), (420, 516938), (840, 258469)]