401045140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{3739}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 874621440

約数和(自身を除く): 473576300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 3739, 5363, 7478, 10726, 14956, 18695, 21452, 26815, 37390, 53630, 74780, 107260, 115909, 231818, 463636, 579545, 646847, 1159090, 1293694, 2318180, 2587388, 3234235, 6468470, 12936940, 20052257, 40104514, 80209028, 100261285, 200522570, 401045140]

約数ペア:

[(1, 401045140), (2, 200522570), (4, 100261285), (5, 80209028), (10, 40104514), (20, 20052257), (31, 12936940), (62, 6468470), (124, 3234235), (155, 2587388), (173, 2318180), (310, 1293694), (346, 1159090), (620, 646847), (692, 579545), (865, 463636), (1730, 231818), (3460, 115909), (3739, 107260), (5363, 74780), (7478, 53630), (10726, 37390), (14956, 26815), (18695, 21452)]