220739820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{525571}}^1$

素因数の和:525590

約数の個数: 48

約数和(自身を含む): 706368768

約数和(自身を除く): 485628948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 525571, 1051142, 1576713, 2102284, 2627855, 3153426, 3678997, 5255710, 6306852, 7357994, 7883565, 10511420, 11036991, 14715988, 15767130, 18394985, 22073982, 31534260, 36789970, 44147964, 55184955, 73579940, 110369910, 220739820]

約数ペア:

[(1, 220739820), (2, 110369910), (3, 73579940), (4, 55184955), (5, 44147964), (6, 36789970), (7, 31534260), (10, 22073982), (12, 18394985), (14, 15767130), (15, 14715988), (20, 11036991), (21, 10511420), (28, 7883565), (30, 7357994), (35, 6306852), (42, 5255710), (60, 3678997), (70, 3153426), (84, 2627855), (105, 2102284), (140, 1576713), (210, 1051142), (420, 525571)]