128503550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 274065792

約数和(自身を除く): 145562242

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 571, 643, 1142, 1286, 2855, 3215, 3997, 4501, 5710, 6430, 7994, 9002, 14275, 16075, 19985, 22505, 28550, 32150, 39970, 45010, 99925, 112525, 199850, 225050, 367153, 734306, 1835765, 2570071, 3671530, 5140142, 9178825, 12850355, 18357650, 25700710, 64251775, 128503550]

約数ペア:

[(1, 128503550), (2, 64251775), (5, 25700710), (7, 18357650), (10, 12850355), (14, 9178825), (25, 5140142), (35, 3671530), (50, 2570071), (70, 1835765), (175, 734306), (350, 367153), (571, 225050), (643, 199850), (1142, 112525), (1286, 99925), (2855, 45010), (3215, 39970), (3997, 32150), (4501, 28550), (5710, 22505), (6430, 19985), (7994, 16075), (9002, 14275)]