97973540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 240884280

約数和(自身を除く): 142910740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 389, 490, 514, 778, 980, 1028, 1285, 1556, 1799, 1945, 2570, 2723, 3598, 3890, 5140, 5446, 7196, 7780, 8995, 10892, 12593, 13615, 17990, 19061, 25186, 27230, 35980, 38122, 50372, 54460, 62965, 76244, 95305, 99973, 125930, 190610, 199946, 251860, 381220, 399892, 499865, 699811, 999730, 1399622, 1999460, 2799244, 3499055, 4898677, 6998110, 9797354, 13996220, 19594708, 24493385, 48986770, 97973540]

約数ペア:

[(1, 97973540), (2, 48986770), (4, 24493385), (5, 19594708), (7, 13996220), (10, 9797354), (14, 6998110), (20, 4898677), (28, 3499055), (35, 2799244), (49, 1999460), (70, 1399622), (98, 999730), (140, 699811), (196, 499865), (245, 399892), (257, 381220), (389, 251860), (490, 199946), (514, 190610), (778, 125930), (980, 99973), (1028, 95305), (1285, 76244), (1556, 62965), (1799, 54460), (1945, 50372), (2570, 38122), (2723, 35980), (3598, 27230), (3890, 25186), (5140, 19061), (5446, 17990), (7196, 13615), (7780, 12593), (8995, 10892)]