917703280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1277}}^1$

素因数の和:1994

約数の個数: 80

約数和(自身を含む): 2302915104

約数和(自身を除く): 1385211824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 691, 1040, 1277, 1382, 2554, 2764, 3455, 5108, 5528, 6385, 6910, 8983, 10216, 11056, 12770, 13820, 16601, 17966, 20432, 25540, 27640, 33202, 35932, 44915, 51080, 55280, 66404, 71864, 83005, 89830, 102160, 132808, 143728, 166010, 179660, 265616, 332020, 359320, 664040, 718640, 882407, 1328080, 1764814, 3529628, 4412035, 7059256, 8824070, 11471291, 14118512, 17648140, 22942582, 35296280, 45885164, 57356455, 70592560, 91770328, 114712910, 183540656, 229425820, 458851640, 917703280]

約数ペア:

[(1, 917703280), (2, 458851640), (4, 229425820), (5, 183540656), (8, 114712910), (10, 91770328), (13, 70592560), (16, 57356455), (20, 45885164), (26, 35296280), (40, 22942582), (52, 17648140), (65, 14118512), (80, 11471291), (104, 8824070), (130, 7059256), (208, 4412035), (260, 3529628), (520, 1764814), (691, 1328080), (1040, 882407), (1277, 718640), (1382, 664040), (2554, 359320), (2764, 332020), (3455, 265616), (5108, 179660), (5528, 166010), (6385, 143728), (6910, 132808), (8983, 102160), (10216, 89830), (11056, 83005), (12770, 71864), (13820, 66404), (16601, 55280), (17966, 51080), (20432, 44915), (25540, 35932), (27640, 33202)]