256331550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 668528640

約数和(自身を除く): 412197090

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 191, 230, 345, 382, 389, 573, 575, 690, 778, 955, 1146, 1150, 1167, 1725, 1910, 1945, 2334, 2865, 3450, 3890, 4393, 4775, 5730, 5835, 8786, 8947, 9550, 9725, 11670, 13179, 14325, 17894, 19450, 21965, 26358, 26841, 28650, 29175, 43930, 44735, 53682, 58350, 65895, 74299, 89470, 109825, 131790, 134205, 148598, 219650, 222897, 223675, 268410, 329475, 371495, 445794, 447350, 658950, 671025, 742990, 1114485, 1342050, 1708877, 1857475, 2228970, 3417754, 3714950, 5126631, 5572425, 8544385, 10253262, 11144850, 17088770, 25633155, 42721925, 51266310, 85443850, 128165775, 256331550]

約数ペア:

[(1, 256331550), (2, 128165775), (3, 85443850), (5, 51266310), (6, 42721925), (10, 25633155), (15, 17088770), (23, 11144850), (25, 10253262), (30, 8544385), (46, 5572425), (50, 5126631), (69, 3714950), (75, 3417754), (115, 2228970), (138, 1857475), (150, 1708877), (191, 1342050), (230, 1114485), (345, 742990), (382, 671025), (389, 658950), (573, 447350), (575, 445794), (690, 371495), (778, 329475), (955, 268410), (1146, 223675), (1150, 222897), (1167, 219650), (1725, 148598), (1910, 134205), (1945, 131790), (2334, 109825), (2865, 89470), (3450, 74299), (3890, 65895), (4393, 58350), (4775, 53682), (5730, 44735), (5835, 43930), (8786, 29175), (8947, 28650), (9550, 26841), (9725, 26358), (11670, 21965), (13179, 19450), (14325, 17894)]