400584070

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{2789}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 737631360

約数和(自身を除く): 337047290

約数列:

[1, 2, 5, 10, 53, 106, 265, 271, 530, 542, 1355, 2710, 2789, 5578, 13945, 14363, 27890, 28726, 71815, 143630, 147817, 295634, 739085, 755819, 1478170, 1511638, 3779095, 7558190, 40058407, 80116814, 200292035, 400584070]

約数ペア:

[(1, 400584070), (2, 200292035), (5, 80116814), (10, 40058407), (53, 7558190), (106, 3779095), (265, 1511638), (271, 1478170), (530, 755819), (542, 739085), (1355, 295634), (2710, 147817), (2789, 143630), (5578, 71815), (13945, 28726), (14363, 27890)]