389620880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1187}}^1$

素因数の和:1584

約数の個数: 80

約数和(自身を含む): 991704384

約数和(自身を除く): 602083504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 373, 440, 746, 880, 1187, 1492, 1865, 2374, 2984, 3730, 4103, 4748, 5935, 5968, 7460, 8206, 9496, 11870, 13057, 14920, 16412, 18992, 20515, 23740, 26114, 29840, 32824, 41030, 47480, 52228, 65285, 65648, 82060, 94960, 104456, 130570, 164120, 208912, 261140, 328240, 442751, 522280, 885502, 1044560, 1771004, 2213755, 3542008, 4427510, 4870261, 7084016, 8855020, 9740522, 17710040, 19481044, 24351305, 35420080, 38962088, 48702610, 77924176, 97405220, 194810440, 389620880]

約数ペア:

[(1, 389620880), (2, 194810440), (4, 97405220), (5, 77924176), (8, 48702610), (10, 38962088), (11, 35420080), (16, 24351305), (20, 19481044), (22, 17710040), (40, 9740522), (44, 8855020), (55, 7084016), (80, 4870261), (88, 4427510), (110, 3542008), (176, 2213755), (220, 1771004), (373, 1044560), (440, 885502), (746, 522280), (880, 442751), (1187, 328240), (1492, 261140), (1865, 208912), (2374, 164120), (2984, 130570), (3730, 104456), (4103, 94960), (4748, 82060), (5935, 65648), (5968, 65285), (7460, 52228), (8206, 47480), (9496, 41030), (11870, 32824), (13057, 29840), (14920, 26114), (16412, 23740), (18992, 20515)]