989897940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{3299}}^1$

素因数の和:4981

約数の個数: 72

約数和(自身を含む): 3005402400

約数和(自身を除く): 2015504460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1667, 3299, 3334, 5001, 6598, 6668, 8335, 9897, 10002, 13196, 15003, 16495, 16670, 19794, 20004, 25005, 29691, 30006, 32990, 33340, 39588, 49485, 50010, 59382, 60012, 65980, 75015, 98970, 100020, 118764, 148455, 150030, 197940, 296910, 300060, 593820, 5499433, 10998866, 16498299, 21997732, 27497165, 32996598, 49494897, 54994330, 65993196, 82491495, 98989794, 109988660, 164982990, 197979588, 247474485, 329965980, 494948970, 989897940]

約数ペア:

[(1, 989897940), (2, 494948970), (3, 329965980), (4, 247474485), (5, 197979588), (6, 164982990), (9, 109988660), (10, 98989794), (12, 82491495), (15, 65993196), (18, 54994330), (20, 49494897), (30, 32996598), (36, 27497165), (45, 21997732), (60, 16498299), (90, 10998866), (180, 5499433), (1667, 593820), (3299, 300060), (3334, 296910), (5001, 197940), (6598, 150030), (6668, 148455), (8335, 118764), (9897, 100020), (10002, 98970), (13196, 75015), (15003, 65980), (16495, 60012), (16670, 59382), (19794, 50010), (20004, 49485), (25005, 39588), (29691, 33340), (30006, 32990)]