172051780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 383233032

約数和(自身を除く): 211181252

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 193, 212, 265, 290, 386, 530, 580, 772, 841, 965, 1060, 1537, 1682, 1930, 3074, 3364, 3860, 4205, 5597, 6148, 7685, 8410, 10229, 11194, 15370, 16820, 20458, 22388, 27985, 30740, 40916, 44573, 51145, 55970, 89146, 102290, 111940, 162313, 178292, 204580, 222865, 296641, 324626, 445730, 593282, 649252, 811565, 891460, 1186564, 1483205, 1623130, 2966410, 3246260, 5932820, 8602589, 17205178, 34410356, 43012945, 86025890, 172051780]

約数ペア:

[(1, 172051780), (2, 86025890), (4, 43012945), (5, 34410356), (10, 17205178), (20, 8602589), (29, 5932820), (53, 3246260), (58, 2966410), (106, 1623130), (116, 1483205), (145, 1186564), (193, 891460), (212, 811565), (265, 649252), (290, 593282), (386, 445730), (530, 324626), (580, 296641), (772, 222865), (841, 204580), (965, 178292), (1060, 162313), (1537, 111940), (1682, 102290), (1930, 89146), (3074, 55970), (3364, 51145), (3860, 44573), (4205, 40916), (5597, 30740), (6148, 27985), (7685, 22388), (8410, 20458), (10229, 16820), (11194, 15370)]