28991940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3527}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 81793152

約数和(自身を除く): 52801212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 3527, 4110, 7054, 8220, 10581, 14108, 17635, 21162, 35270, 42324, 52905, 70540, 105810, 211620, 483199, 966398, 1449597, 1932796, 2415995, 2899194, 4831990, 5798388, 7247985, 9663980, 14495970, 28991940]

約数ペア:

[(1, 28991940), (2, 14495970), (3, 9663980), (4, 7247985), (5, 5798388), (6, 4831990), (10, 2899194), (12, 2415995), (15, 1932796), (20, 1449597), (30, 966398), (60, 483199), (137, 211620), (274, 105810), (411, 70540), (548, 52905), (685, 42324), (822, 35270), (1370, 21162), (1644, 17635), (2055, 14108), (2740, 10581), (3527, 8220), (4110, 7054)]