802090280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{3739}}^1$

素因数の和:3954

約数の個数: 64

約数和(自身を含む): 1874188800

約数和(自身を除く): 1072098520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 248, 310, 346, 620, 692, 865, 1240, 1384, 1730, 3460, 3739, 5363, 6920, 7478, 10726, 14956, 18695, 21452, 26815, 29912, 37390, 42904, 53630, 74780, 107260, 115909, 149560, 214520, 231818, 463636, 579545, 646847, 927272, 1159090, 1293694, 2318180, 2587388, 3234235, 4636360, 5174776, 6468470, 12936940, 20052257, 25873880, 40104514, 80209028, 100261285, 160418056, 200522570, 401045140, 802090280]

約数ペア:

[(1, 802090280), (2, 401045140), (4, 200522570), (5, 160418056), (8, 100261285), (10, 80209028), (20, 40104514), (31, 25873880), (40, 20052257), (62, 12936940), (124, 6468470), (155, 5174776), (173, 4636360), (248, 3234235), (310, 2587388), (346, 2318180), (620, 1293694), (692, 1159090), (865, 927272), (1240, 646847), (1384, 579545), (1730, 463636), (3460, 231818), (3739, 214520), (5363, 149560), (6920, 115909), (7478, 107260), (10726, 74780), (14956, 53630), (18695, 42904), (21452, 37390), (26815, 29912)]