637677460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{33247}}^1$

素因数の和:33400

約数の個数: 48

約数和(自身を含む): 1541643264

約数和(自身を除く): 903965804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 33247, 66494, 132988, 166235, 232729, 332470, 465458, 664940, 930916, 1163645, 2327290, 4554839, 4654580, 9109678, 18219356, 22774195, 31883873, 45548390, 63767746, 91096780, 127535492, 159419365, 318838730, 637677460]

約数ペア:

[(1, 637677460), (2, 318838730), (4, 159419365), (5, 127535492), (7, 91096780), (10, 63767746), (14, 45548390), (20, 31883873), (28, 22774195), (35, 18219356), (70, 9109678), (137, 4654580), (140, 4554839), (274, 2327290), (548, 1163645), (685, 930916), (959, 664940), (1370, 465458), (1918, 332470), (2740, 232729), (3836, 166235), (4795, 132988), (9590, 66494), (19180, 33247)]