28777940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 65236752

約数和(自身を除く): 36458812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1597, 1802, 3194, 3604, 4505, 6388, 7985, 9010, 15970, 18020, 27149, 31940, 54298, 84641, 108596, 135745, 169282, 271490, 338564, 423205, 542980, 846410, 1438897, 1692820, 2877794, 5755588, 7194485, 14388970, 28777940]

約数ペア:

[(1, 28777940), (2, 14388970), (4, 7194485), (5, 5755588), (10, 2877794), (17, 1692820), (20, 1438897), (34, 846410), (53, 542980), (68, 423205), (85, 338564), (106, 271490), (170, 169282), (212, 135745), (265, 108596), (340, 84641), (530, 54298), (901, 31940), (1060, 27149), (1597, 18020), (1802, 15970), (3194, 9010), (3604, 7985), (4505, 6388)]