128883440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230149}}^1$

素因数の和:230169

約数の個数: 40

約数和(自身を含む): 342463200

約数和(自身を除く): 213579760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230149, 460298, 920596, 1150745, 1611043, 1841192, 2301490, 3222086, 3682384, 4602980, 6444172, 8055215, 9205960, 12888344, 16110430, 18411920, 25776688, 32220860, 64441720, 128883440]

約数ペア:

[(1, 128883440), (2, 64441720), (4, 32220860), (5, 25776688), (7, 18411920), (8, 16110430), (10, 12888344), (14, 9205960), (16, 8055215), (20, 6444172), (28, 4602980), (35, 3682384), (40, 3222086), (56, 2301490), (70, 1841192), (80, 1611043), (112, 1150745), (140, 920596), (280, 460298), (560, 230149)]