217691970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3361}}^1$

素因数の和:3515

約数の個数: 64

約数和(自身を含む): 557715456

約数和(自身を除く): 340023486

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 127, 170, 254, 255, 381, 510, 635, 762, 1270, 1905, 2159, 3361, 3810, 4318, 6477, 6722, 10083, 10795, 12954, 16805, 20166, 21590, 32385, 33610, 50415, 57137, 64770, 100830, 114274, 171411, 285685, 342822, 426847, 571370, 853694, 857055, 1280541, 1714110, 2134235, 2561082, 4268470, 6402705, 7256399, 12805410, 14512798, 21769197, 36281995, 43538394, 72563990, 108845985, 217691970]

約数ペア:

[(1, 217691970), (2, 108845985), (3, 72563990), (5, 43538394), (6, 36281995), (10, 21769197), (15, 14512798), (17, 12805410), (30, 7256399), (34, 6402705), (51, 4268470), (85, 2561082), (102, 2134235), (127, 1714110), (170, 1280541), (254, 857055), (255, 853694), (381, 571370), (510, 426847), (635, 342822), (762, 285685), (1270, 171411), (1905, 114274), (2159, 100830), (3361, 64770), (3810, 57137), (4318, 50415), (6477, 33610), (6722, 32385), (10083, 21590), (10795, 20166), (12954, 16805)]