211375520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 96

約数和(自身を含む): 529079040

約数和(自身を除く): 317703520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 71, 80, 92, 115, 142, 160, 184, 230, 284, 355, 368, 460, 568, 710, 736, 809, 920, 1136, 1420, 1618, 1633, 1840, 2272, 2840, 3236, 3266, 3680, 4045, 5680, 6472, 6532, 8090, 8165, 11360, 12944, 13064, 16180, 16330, 18607, 25888, 26128, 32360, 32660, 37214, 52256, 57439, 64720, 65320, 74428, 93035, 114878, 129440, 130640, 148856, 186070, 229756, 261280, 287195, 297712, 372140, 459512, 574390, 595424, 744280, 919024, 1148780, 1321097, 1488560, 1838048, 2297560, 2642194, 2977120, 4595120, 5284388, 6605485, 9190240, 10568776, 13210970, 21137552, 26421940, 42275104, 52843880, 105687760, 211375520]

約数ペア:

[(1, 211375520), (2, 105687760), (4, 52843880), (5, 42275104), (8, 26421940), (10, 21137552), (16, 13210970), (20, 10568776), (23, 9190240), (32, 6605485), (40, 5284388), (46, 4595120), (71, 2977120), (80, 2642194), (92, 2297560), (115, 1838048), (142, 1488560), (160, 1321097), (184, 1148780), (230, 919024), (284, 744280), (355, 595424), (368, 574390), (460, 459512), (568, 372140), (710, 297712), (736, 287195), (809, 261280), (920, 229756), (1136, 186070), (1420, 148856), (1618, 130640), (1633, 129440), (1840, 114878), (2272, 93035), (2840, 74428), (3236, 65320), (3266, 64720), (3680, 57439), (4045, 52256), (5680, 37214), (6472, 32660), (6532, 32360), (8090, 26128), (8165, 25888), (11360, 18607), (12944, 16330), (13064, 16180)]