2783804420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{7699}}^1$

素因数の和:7988

約数の個数: 48

約数和(自身を含む): 5937624000

約数和(自身を除く): 3153819580

約数列:

[1, 2, 4, 5, 10, 20, 101, 179, 202, 358, 404, 505, 716, 895, 1010, 1790, 2020, 3580, 7699, 15398, 18079, 30796, 36158, 38495, 72316, 76990, 90395, 153980, 180790, 361580, 777599, 1378121, 1555198, 2756242, 3110396, 3887995, 5512484, 6890605, 7775990, 13781210, 15551980, 27562420, 139190221, 278380442, 556760884, 695951105, 1391902210, 2783804420]

約数ペア:

[(1, 2783804420), (2, 1391902210), (4, 695951105), (5, 556760884), (10, 278380442), (20, 139190221), (101, 27562420), (179, 15551980), (202, 13781210), (358, 7775990), (404, 6890605), (505, 5512484), (716, 3887995), (895, 3110396), (1010, 2756242), (1790, 1555198), (2020, 1378121), (3580, 777599), (7699, 361580), (15398, 180790), (18079, 153980), (30796, 90395), (36158, 76990), (38495, 72316)]