213735280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2842

約数の個数: 80

約数和(自身を含む): 548402400

約数和(自身を除く): 334667120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 1424, 1780, 1958, 2729, 3560, 3916, 4895, 5458, 7120, 7832, 9790, 10916, 13645, 15664, 19580, 21832, 27290, 30019, 39160, 43664, 54580, 60038, 78320, 109160, 120076, 150095, 218320, 240152, 242881, 300190, 480304, 485762, 600380, 971524, 1200760, 1214405, 1943048, 2401520, 2428810, 2671691, 3886096, 4857620, 5343382, 9715240, 10686764, 13358455, 19430480, 21373528, 26716910, 42747056, 53433820, 106867640, 213735280]

約数ペア:

[(1, 213735280), (2, 106867640), (4, 53433820), (5, 42747056), (8, 26716910), (10, 21373528), (11, 19430480), (16, 13358455), (20, 10686764), (22, 9715240), (40, 5343382), (44, 4857620), (55, 3886096), (80, 2671691), (88, 2428810), (89, 2401520), (110, 1943048), (176, 1214405), (178, 1200760), (220, 971524), (356, 600380), (440, 485762), (445, 480304), (712, 300190), (880, 242881), (890, 240152), (979, 218320), (1424, 150095), (1780, 120076), (1958, 109160), (2729, 78320), (3560, 60038), (3916, 54580), (4895, 43664), (5458, 39160), (7120, 30019), (7832, 27290), (9790, 21832), (10916, 19580), (13645, 15664)]