221782468520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{626009}}^1$

素因数の和:626558

約数の個数: 64

約数和(自身を含む): 529379096400

約数和(自身を除く): 307596627880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 521, 680, 1042, 2084, 2605, 4168, 5210, 8857, 10420, 17714, 20840, 35428, 44285, 70856, 88570, 177140, 354280, 626009, 1252018, 2504036, 3130045, 5008072, 6260090, 10642153, 12520180, 21284306, 25040360, 42568612, 53210765, 85137224, 106421530, 212843060, 326150689, 425686120, 652301378, 1304602756, 1630753445, 2609205512, 3261506890, 5544561713, 6523013780, 11089123426, 13046027560, 22178246852, 27722808565, 44356493704, 55445617130, 110891234260, 221782468520]

約数ペア:

[(1, 221782468520), (2, 110891234260), (4, 55445617130), (5, 44356493704), (8, 27722808565), (10, 22178246852), (17, 13046027560), (20, 11089123426), (34, 6523013780), (40, 5544561713), (68, 3261506890), (85, 2609205512), (136, 1630753445), (170, 1304602756), (340, 652301378), (521, 425686120), (680, 326150689), (1042, 212843060), (2084, 106421530), (2605, 85137224), (4168, 53210765), (5210, 42568612), (8857, 25040360), (10420, 21284306), (17714, 12520180), (20840, 10642153), (35428, 6260090), (44285, 5008072), (70856, 3130045), (88570, 2504036), (177140, 1252018), (354280, 626009)]