218658520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 505854720

約数和(自身を除く): 287196200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 268, 332, 335, 415, 536, 664, 670, 830, 983, 1340, 1660, 1966, 2680, 3320, 3932, 4915, 5561, 7864, 9830, 11122, 19660, 22244, 27805, 39320, 44488, 55610, 65861, 81589, 111220, 131722, 163178, 222440, 263444, 326356, 329305, 407945, 526888, 652712, 658610, 815890, 1317220, 1631780, 2634440, 3263560, 5466463, 10932926, 21865852, 27332315, 43731704, 54664630, 109329260, 218658520]

約数ペア:

[(1, 218658520), (2, 109329260), (4, 54664630), (5, 43731704), (8, 27332315), (10, 21865852), (20, 10932926), (40, 5466463), (67, 3263560), (83, 2634440), (134, 1631780), (166, 1317220), (268, 815890), (332, 658610), (335, 652712), (415, 526888), (536, 407945), (664, 329305), (670, 326356), (830, 263444), (983, 222440), (1340, 163178), (1660, 131722), (1966, 111220), (2680, 81589), (3320, 65861), (3932, 55610), (4915, 44488), (5561, 39320), (7864, 27805), (9830, 22244), (11122, 19660)]