205997620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6091}}^1$

素因数の和:6208

約数の個数: 48

約数和(自身を含む): 460555200

約数和(自身を除く): 254557580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6091, 6764, 8455, 12182, 16910, 24364, 30455, 33820, 60910, 115729, 121820, 231458, 462916, 542099, 578645, 1084198, 1157290, 2168396, 2314580, 2710495, 5420990, 10299881, 10841980, 20599762, 41199524, 51499405, 102998810, 205997620]

約数ペア:

[(1, 205997620), (2, 102998810), (4, 51499405), (5, 41199524), (10, 20599762), (19, 10841980), (20, 10299881), (38, 5420990), (76, 2710495), (89, 2314580), (95, 2168396), (178, 1157290), (190, 1084198), (356, 578645), (380, 542099), (445, 462916), (890, 231458), (1691, 121820), (1780, 115729), (3382, 60910), (6091, 33820), (6764, 30455), (8455, 24364), (12182, 16910)]