81419450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{659}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 173828160

約数和(自身を除く): 92408710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 353, 659, 706, 1318, 1765, 2471, 3295, 3530, 4613, 4942, 6590, 8825, 9226, 12355, 16475, 17650, 23065, 24710, 32950, 46130, 61775, 115325, 123550, 230650, 232627, 465254, 1163135, 1628389, 2326270, 3256778, 5815675, 8141945, 11631350, 16283890, 40709725, 81419450]

約数ペア:

[(1, 81419450), (2, 40709725), (5, 16283890), (7, 11631350), (10, 8141945), (14, 5815675), (25, 3256778), (35, 2326270), (50, 1628389), (70, 1163135), (175, 465254), (350, 232627), (353, 230650), (659, 123550), (706, 115325), (1318, 61775), (1765, 46130), (2471, 32950), (3295, 24710), (3530, 23065), (4613, 17650), (4942, 16475), (6590, 12355), (8825, 9226)]