86733220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4457}}^1$

素因数の和:4612

約数の個数: 48

約数和(自身を含む): 209704320

約数和(自身を除く): 122971100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4457, 4865, 8914, 9730, 17828, 19460, 22285, 31199, 44570, 62398, 89140, 124796, 155995, 311990, 619523, 623980, 1239046, 2478092, 3097615, 4336661, 6195230, 8673322, 12390460, 17346644, 21683305, 43366610, 86733220]

約数ペア:

[(1, 86733220), (2, 43366610), (4, 21683305), (5, 17346644), (7, 12390460), (10, 8673322), (14, 6195230), (20, 4336661), (28, 3097615), (35, 2478092), (70, 1239046), (139, 623980), (140, 619523), (278, 311990), (556, 155995), (695, 124796), (973, 89140), (1390, 62398), (1946, 44570), (2780, 31199), (3892, 22285), (4457, 19460), (4865, 17828), (8914, 9730)]