205220140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{881}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 454900320

約数和(自身を除く): 249680180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 613, 881, 1226, 1762, 2452, 3065, 3524, 4405, 6130, 8810, 11647, 12260, 16739, 17620, 23294, 33478, 46588, 58235, 66956, 83695, 116470, 167390, 232940, 334780, 540053, 1080106, 2160212, 2700265, 5400530, 10261007, 10801060, 20522014, 41044028, 51305035, 102610070, 205220140]

約数ペア:

[(1, 205220140), (2, 102610070), (4, 51305035), (5, 41044028), (10, 20522014), (19, 10801060), (20, 10261007), (38, 5400530), (76, 2700265), (95, 2160212), (190, 1080106), (380, 540053), (613, 334780), (881, 232940), (1226, 167390), (1762, 116470), (2452, 83695), (3065, 66956), (3524, 58235), (4405, 46588), (6130, 33478), (8810, 23294), (11647, 17620), (12260, 16739)]