38955980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 96219648

約数和(自身を除く): 57263668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 313, 490, 508, 626, 635, 889, 980, 1252, 1270, 1565, 1778, 2191, 2540, 3130, 3556, 4382, 4445, 6223, 6260, 8764, 8890, 10955, 12446, 15337, 17780, 21910, 24892, 30674, 31115, 39751, 43820, 61348, 62230, 76685, 79502, 124460, 153370, 159004, 198755, 278257, 306740, 397510, 556514, 795020, 1113028, 1391285, 1947799, 2782570, 3895598, 5565140, 7791196, 9738995, 19477990, 38955980]

約数ペア:

[(1, 38955980), (2, 19477990), (4, 9738995), (5, 7791196), (7, 5565140), (10, 3895598), (14, 2782570), (20, 1947799), (28, 1391285), (35, 1113028), (49, 795020), (70, 556514), (98, 397510), (127, 306740), (140, 278257), (196, 198755), (245, 159004), (254, 153370), (313, 124460), (490, 79502), (508, 76685), (626, 62230), (635, 61348), (889, 43820), (980, 39751), (1252, 31115), (1270, 30674), (1565, 24892), (1778, 21910), (2191, 17780), (2540, 15337), (3130, 12446), (3556, 10955), (4382, 8890), (4445, 8764), (6223, 6260)]