78309020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 182020608

約数和(自身を除く): 103711588

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 43, 46, 74, 86, 92, 107, 115, 148, 172, 185, 214, 215, 230, 370, 428, 430, 460, 535, 740, 851, 860, 989, 1070, 1591, 1702, 1978, 2140, 2461, 3182, 3404, 3956, 3959, 4255, 4601, 4922, 4945, 6364, 7918, 7955, 8510, 9202, 9844, 9890, 12305, 15836, 15910, 17020, 18404, 19780, 19795, 23005, 24610, 31820, 36593, 39590, 46010, 49220, 73186, 79180, 91057, 92020, 105823, 146372, 170237, 182114, 182965, 211646, 340474, 364228, 365930, 423292, 455285, 529115, 680948, 731860, 851185, 910570, 1058230, 1702370, 1821140, 2116460, 3404740, 3915451, 7830902, 15661804, 19577255, 39154510, 78309020]

約数ペア:

[(1, 78309020), (2, 39154510), (4, 19577255), (5, 15661804), (10, 7830902), (20, 3915451), (23, 3404740), (37, 2116460), (43, 1821140), (46, 1702370), (74, 1058230), (86, 910570), (92, 851185), (107, 731860), (115, 680948), (148, 529115), (172, 455285), (185, 423292), (214, 365930), (215, 364228), (230, 340474), (370, 211646), (428, 182965), (430, 182114), (460, 170237), (535, 146372), (740, 105823), (851, 92020), (860, 91057), (989, 79180), (1070, 73186), (1591, 49220), (1702, 46010), (1978, 39590), (2140, 36593), (2461, 31820), (3182, 24610), (3404, 23005), (3956, 19795), (3959, 19780), (4255, 18404), (4601, 17020), (4922, 15910), (4945, 15836), (6364, 12305), (7918, 9890), (7955, 9844), (8510, 9202)]