217557560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{983}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 535610880

約数和(自身を除く): 318053320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 503, 983, 1006, 1966, 2012, 2515, 3932, 4024, 4915, 5030, 5533, 7864, 9830, 10060, 10813, 11066, 19660, 20120, 21626, 22132, 27665, 39320, 43252, 44264, 54065, 55330, 86504, 108130, 110660, 216260, 221320, 432520, 494449, 988898, 1977796, 2472245, 3955592, 4944490, 5438939, 9888980, 10877878, 19777960, 21755756, 27194695, 43511512, 54389390, 108778780, 217557560]

約数ペア:

[(1, 217557560), (2, 108778780), (4, 54389390), (5, 43511512), (8, 27194695), (10, 21755756), (11, 19777960), (20, 10877878), (22, 9888980), (40, 5438939), (44, 4944490), (55, 3955592), (88, 2472245), (110, 1977796), (220, 988898), (440, 494449), (503, 432520), (983, 221320), (1006, 216260), (1966, 110660), (2012, 108130), (2515, 86504), (3932, 55330), (4024, 54065), (4915, 44264), (5030, 43252), (5533, 39320), (7864, 27665), (9830, 22132), (10060, 21626), (10813, 20120), (11066, 19660)]