888977260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{4079}}^1$

素因数の和:4746

約数の個数: 48

約数和(自身を含む): 1980236160

約数和(自身を除く): 1091258900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 641, 1282, 2564, 3205, 4079, 6410, 8158, 10897, 12820, 16316, 20395, 21794, 40790, 43588, 54485, 69343, 81580, 108970, 138686, 217940, 277372, 346715, 693430, 1386860, 2614639, 5229278, 10458556, 13073195, 26146390, 44448863, 52292780, 88897726, 177795452, 222244315, 444488630, 888977260]

約数ペア:

[(1, 888977260), (2, 444488630), (4, 222244315), (5, 177795452), (10, 88897726), (17, 52292780), (20, 44448863), (34, 26146390), (68, 13073195), (85, 10458556), (170, 5229278), (340, 2614639), (641, 1386860), (1282, 693430), (2564, 346715), (3205, 277372), (4079, 217940), (6410, 138686), (8158, 108970), (10897, 81580), (12820, 69343), (16316, 54485), (20395, 43588), (21794, 40790)]